Home / 508,635,148.80-761,931,183.40-231,905,700.86

Finding the Fourth Proportional to 508,635,148.80, 761,931,183.40 and 231,905,700.86

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Solution

The fourth proportional to 508,635,148.80, 761,931,183.40 and 231,905,700.86 is: 347,392,793.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,635,148.80 : 761,931,183.40 = 231,905,700.86 : x
  2. Step 2: Convert to fraction form
    508,635,148.80/761,931,183.40 = 231,905,700.86/x
  3. Step 3: Cross multiply
    508,635,148.80x = 761,931,183.40 × 231,905,700.86
  4. Step 4: Simplify right side
    508,635,148.80x = 176,696,185,093,466,208
  5. Step 5: Solve for x
    x = 176,696,185,093,466,208/508,635,148.80
  6. Step 6: Final answer
    x = 347,392,793.26

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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.