Home / 415,367,355.66-623,052,088.85-169,723,991

Finding the Fourth Proportional to 415,367,355.66, 623,052,088.85 and 169,723,991

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Solution

The fourth proportional to 415,367,355.66, 623,052,088.85 and 169,723,991 is: 254,586,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,367,355.66 : 623,052,088.85 = 169,723,991 : x
  2. Step 2: Convert to fraction form
    415,367,355.66/623,052,088.85 = 169,723,991/x
  3. Step 3: Cross multiply
    415,367,355.66x = 623,052,088.85 × 169,723,991
  4. Step 4: Simplify right side
    415,367,355.66x = 105,746,887,120,508,608
  5. Step 5: Solve for x
    x = 105,746,887,120,508,608/415,367,355.66
  6. Step 6: Final answer
    x = 254,586,417.73

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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.