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Finding the Fourth Proportional to 423,990,012.68, 584,711,463.07 and 275,151,989.01

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Solution

The fourth proportional to 423,990,012.68, 584,711,463.07 and 275,151,989.01 is: 379,453,565.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,990,012.68 : 584,711,463.07 = 275,151,989.01 : x
  2. Step 2: Convert to fraction form
    423,990,012.68/584,711,463.07 = 275,151,989.01/x
  3. Step 3: Cross multiply
    423,990,012.68x = 584,711,463.07 × 275,151,989.01
  4. Step 4: Simplify right side
    423,990,012.68x = 160,884,522,060,657,664
  5. Step 5: Solve for x
    x = 160,884,522,060,657,664/423,990,012.68
  6. Step 6: Final answer
    x = 379,453,565.53

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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.