Home / 429,126,705.01-643,786,010.32-156,497,472.01

Finding the Fourth Proportional to 429,126,705.01, 643,786,010.32 and 156,497,472.01

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Solution

The fourth proportional to 429,126,705.01, 643,786,010.32 and 156,497,472.01 is: 234,781,200.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,126,705.01 : 643,786,010.32 = 156,497,472.01 : x
  2. Step 2: Convert to fraction form
    429,126,705.01/643,786,010.32 = 156,497,472.01/x
  3. Step 3: Cross multiply
    429,126,705.01x = 643,786,010.32 × 156,497,472.01
  4. Step 4: Simplify right side
    429,126,705.01x = 100,750,883,130,483,776
  5. Step 5: Solve for x
    x = 100,750,883,130,483,776/429,126,705.01
  6. Step 6: Final answer
    x = 234,781,200.88

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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.