Home / 1,005,118,049.60-1,506,557,330.40-391,498,337.60

Finding the Fourth Proportional to 1,005,118,049.60, 1,506,557,330.40 and 391,498,337.60

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Solution

The fourth proportional to 1,005,118,049.60, 1,506,557,330.40 and 391,498,337.60 is: 586,811,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,118,049.60 : 1,506,557,330.40 = 391,498,337.60 : x
  2. Step 2: Convert to fraction form
    1,005,118,049.60/1,506,557,330.40 = 391,498,337.60/x
  3. Step 3: Cross multiply
    1,005,118,049.60x = 1,506,557,330.40 × 391,498,337.60
  4. Step 4: Simplify right side
    1,005,118,049.60x = 589,814,690,350,694,016
  5. Step 5: Solve for x
    x = 589,814,690,350,694,016/1,005,118,049.60
  6. Step 6: Final answer
    x = 586,811,360.70

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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.