Home / 417,024,009.60-625,536,014.40-384,775,382.40

Finding the Fourth Proportional to 417,024,009.60, 625,536,014.40 and 384,775,382.40

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Solution

The fourth proportional to 417,024,009.60, 625,536,014.40 and 384,775,382.40 is: 577,163,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,024,009.60 : 625,536,014.40 = 384,775,382.40 : x
  2. Step 2: Convert to fraction form
    417,024,009.60/625,536,014.40 = 384,775,382.40/x
  3. Step 3: Cross multiply
    417,024,009.60x = 625,536,014.40 × 384,775,382.40
  4. Step 4: Simplify right side
    417,024,009.60x = 240,690,859,145,731,872
  5. Step 5: Solve for x
    x = 240,690,859,145,731,872/417,024,009.60
  6. Step 6: Final answer
    x = 577,163,073.60

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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.