Home / 1,679,619,937.60-2,519,429,906.40-819,656,545.60

Finding the Fourth Proportional to 1,679,619,937.60, 2,519,429,906.40 and 819,656,545.60

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Solution

The fourth proportional to 1,679,619,937.60, 2,519,429,906.40 and 819,656,545.60 is: 1,229,484,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,619,937.60 : 2,519,429,906.40 = 819,656,545.60 : x
  2. Step 2: Convert to fraction form
    1,679,619,937.60/2,519,429,906.40 = 819,656,545.60/x
  3. Step 3: Cross multiply
    1,679,619,937.60x = 2,519,429,906.40 × 819,656,545.60
  4. Step 4: Simplify right side
    1,679,619,937.60x = 2,065,067,213,961,155,584
  5. Step 5: Solve for x
    x = 2,065,067,213,961,155,584/1,679,619,937.60
  6. Step 6: Final answer
    x = 1,229,484,818.40

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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.