Home / 309,049,348,428.80-463,574,022,643.20-296,859,367,347.20

Finding the Fourth Proportional to 309,049,348,428.80, 463,574,022,643.20 and 296,859,367,347.20

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Solution

The fourth proportional to 309,049,348,428.80, 463,574,022,643.20 and 296,859,367,347.20 is: 445,289,051,020.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,049,348,428.80 : 463,574,022,643.20 = 296,859,367,347.20 : x
  2. Step 2: Convert to fraction form
    309,049,348,428.80/463,574,022,643.20 = 296,859,367,347.20/x
  3. Step 3: Cross multiply
    309,049,348,428.80x = 463,574,022,643.20 × 296,859,367,347.20
  4. Step 4: Simplify right side
    309,049,348,428.80x = 137,616,291,080,456,936,357,888
  5. Step 5: Solve for x
    x = 137,616,291,080,456,936,357,888/309,049,348,428.80
  6. Step 6: Final answer
    x = 445,289,051,020.80

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Double scale
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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.