Home / 309,049,348,069.80-463,574,022,104.70-296,859,366,988.20

Finding the Fourth Proportional to 309,049,348,069.80, 463,574,022,104.70 and 296,859,366,988.20

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Solution

The fourth proportional to 309,049,348,069.80, 463,574,022,104.70 and 296,859,366,988.20 is: 445,289,050,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,049,348,069.80 : 463,574,022,104.70 = 296,859,366,988.20 : x
  2. Step 2: Convert to fraction form
    309,049,348,069.80/463,574,022,104.70 = 296,859,366,988.20/x
  3. Step 3: Cross multiply
    309,049,348,069.80x = 463,574,022,104.70 × 296,859,366,988.20
  4. Step 4: Simplify right side
    309,049,348,069.80x = 137,616,290,754,175,082,430,464
  5. Step 5: Solve for x
    x = 137,616,290,754,175,082,430,464/309,049,348,069.80
  6. Step 6: Final answer
    x = 445,289,050,482.30

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Double scale
Find fourth proportional to 309,049,348,070.80, 463,574,022,106.20 and 296,859,366,989.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.