Home / 641,522,870.52-885,301,929.54-348,167,438.52

Finding the Fourth Proportional to 641,522,870.52, 885,301,929.54 and 348,167,438.52

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Solution

The fourth proportional to 641,522,870.52, 885,301,929.54 and 348,167,438.52 is: 480,471,265.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,522,870.52 : 885,301,929.54 = 348,167,438.52 : x
  2. Step 2: Convert to fraction form
    641,522,870.52/885,301,929.54 = 348,167,438.52/x
  3. Step 3: Cross multiply
    641,522,870.52x = 885,301,929.54 × 348,167,438.52
  4. Step 4: Simplify right side
    641,522,870.52x = 308,233,305,124,755,264
  5. Step 5: Solve for x
    x = 308,233,305,124,755,264/641,522,870.52
  6. Step 6: Final answer
    x = 480,471,265.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.