Home / 534,849,454.60-737,981,720.25-308,784,520.84

Finding the Fourth Proportional to 534,849,454.60, 737,981,720.25 and 308,784,520.84

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Solution

The fourth proportional to 534,849,454.60, 737,981,720.25 and 308,784,520.84 is: 426,058,828.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,849,454.60 : 737,981,720.25 = 308,784,520.84 : x
  2. Step 2: Convert to fraction form
    534,849,454.60/737,981,720.25 = 308,784,520.84/x
  3. Step 3: Cross multiply
    534,849,454.60x = 737,981,720.25 × 308,784,520.84
  4. Step 4: Simplify right side
    534,849,454.60x = 227,877,331,876,410,976
  5. Step 5: Solve for x
    x = 227,877,331,876,410,976/534,849,454.60
  6. Step 6: Final answer
    x = 426,058,828.17

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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.