Home / 424,613,722,490.49-636,922,964,788.71-141,631,788,962.29

Finding the Fourth Proportional to 424,613,722,490.49, 636,922,964,788.71 and 141,631,788,962.29

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Solution

The fourth proportional to 424,613,722,490.49, 636,922,964,788.71 and 141,631,788,962.29 is: 212,448,477,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,613,722,490.49 : 636,922,964,788.71 = 141,631,788,962.29 : x
  2. Step 2: Convert to fraction form
    424,613,722,490.49/636,922,964,788.71 = 141,631,788,962.29/x
  3. Step 3: Cross multiply
    424,613,722,490.49x = 636,922,964,788.71 × 141,631,788,962.29
  4. Step 4: Simplify right side
    424,613,722,490.49x = 90,208,538,934,190,641,512,448
  5. Step 5: Solve for x
    x = 90,208,538,934,190,641,512,448/424,613,722,490.49
  6. Step 6: Final answer
    x = 212,448,477,654.21

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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.