Home / 459,816,002.10-689,724,003.15-409,931,406.90

Finding the Fourth Proportional to 459,816,002.10, 689,724,003.15 and 409,931,406.90

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Solution

The fourth proportional to 459,816,002.10, 689,724,003.15 and 409,931,406.90 is: 614,897,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,816,002.10 : 689,724,003.15 = 409,931,406.90 : x
  2. Step 2: Convert to fraction form
    459,816,002.10/689,724,003.15 = 409,931,406.90/x
  3. Step 3: Cross multiply
    459,816,002.10x = 689,724,003.15 × 409,931,406.90
  4. Step 4: Simplify right side
    459,816,002.10x = 282,739,530,983,979,520
  5. Step 5: Solve for x
    x = 282,739,530,983,979,520/459,816,002.10
  6. Step 6: Final answer
    x = 614,897,110.35

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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.