Home / 284,365,308.30-426,547,962.45-261,970,428.30

Finding the Fourth Proportional to 284,365,308.30, 426,547,962.45 and 261,970,428.30

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Solution

The fourth proportional to 284,365,308.30, 426,547,962.45 and 261,970,428.30 is: 392,955,642.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,365,308.30 : 426,547,962.45 = 261,970,428.30 : x
  2. Step 2: Convert to fraction form
    284,365,308.30/426,547,962.45 = 261,970,428.30/x
  3. Step 3: Cross multiply
    284,365,308.30x = 426,547,962.45 × 261,970,428.30
  4. Step 4: Simplify right side
    284,365,308.30x = 111,742,952,413,518,816
  5. Step 5: Solve for x
    x = 111,742,952,413,518,816/284,365,308.30
  6. Step 6: Final answer
    x = 392,955,642.45

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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.