Home / 645,591,767.40-966,952,760.40-559,498,325.40

Finding the Fourth Proportional to 645,591,767.40, 966,952,760.40 and 559,498,325.40

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Solution

The fourth proportional to 645,591,767.40, 966,952,760.40 and 559,498,325.40 is: 838,003,948.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,591,767.40 : 966,952,760.40 = 559,498,325.40 : x
  2. Step 2: Convert to fraction form
    645,591,767.40/966,952,760.40 = 559,498,325.40/x
  3. Step 3: Cross multiply
    645,591,767.40x = 966,952,760.40 × 559,498,325.40
  4. Step 4: Simplify right side
    645,591,767.40x = 541,008,450,184,707,392
  5. Step 5: Solve for x
    x = 541,008,450,184,707,392/645,591,767.40
  6. Step 6: Final answer
    x = 838,003,948.48

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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.