Home / 436,426,432.20-654,734,126.70-129,749,545.80

Finding the Fourth Proportional to 436,426,432.20, 654,734,126.70 and 129,749,545.80

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Solution

The fourth proportional to 436,426,432.20, 654,734,126.70 and 129,749,545.80 is: 194,652,407.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,426,432.20 : 654,734,126.70 = 129,749,545.80 : x
  2. Step 2: Convert to fraction form
    436,426,432.20/654,734,126.70 = 129,749,545.80/x
  3. Step 3: Cross multiply
    436,426,432.20x = 654,734,126.70 × 129,749,545.80
  4. Step 4: Simplify right side
    436,426,432.20x = 84,951,455,559,084,656
  5. Step 5: Solve for x
    x = 84,951,455,559,084,656/436,426,432.20
  6. Step 6: Final answer
    x = 194,652,407.12

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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.