Home / 309,049,348,047.80-463,574,022,071.70-296,859,366,966.20

Finding the Fourth Proportional to 309,049,348,047.80, 463,574,022,071.70 and 296,859,366,966.20

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Solution

The fourth proportional to 309,049,348,047.80, 463,574,022,071.70 and 296,859,366,966.20 is: 445,289,050,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,049,348,047.80 : 463,574,022,071.70 = 296,859,366,966.20 : x
  2. Step 2: Convert to fraction form
    309,049,348,047.80/463,574,022,071.70 = 296,859,366,966.20/x
  3. Step 3: Cross multiply
    309,049,348,047.80x = 463,574,022,071.70 × 296,859,366,966.20
  4. Step 4: Simplify right side
    309,049,348,047.80x = 137,616,290,734,180,097,064,960
  5. Step 5: Solve for x
    x = 137,616,290,734,180,097,064,960/309,049,348,047.80
  6. Step 6: Final answer
    x = 445,289,050,449.30

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Double scale
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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.