Home / 1,545,120,005.20-2,317,680,007.80-1,375,814,712.40

Finding the Fourth Proportional to 1,545,120,005.20, 2,317,680,007.80 and 1,375,814,712.40

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Solution

The fourth proportional to 1,545,120,005.20, 2,317,680,007.80 and 1,375,814,712.40 is: 2,063,722,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,120,005.20 : 2,317,680,007.80 = 1,375,814,712.40 : x
  2. Step 2: Convert to fraction form
    1,545,120,005.20/2,317,680,007.80 = 1,375,814,712.40/x
  3. Step 3: Cross multiply
    1,545,120,005.20x = 2,317,680,007.80 × 1,375,814,712.40
  4. Step 4: Simplify right side
    1,545,120,005.20x = 3,188,698,253,366,587,392
  5. Step 5: Solve for x
    x = 3,188,698,253,366,587,392/1,545,120,005.20
  6. Step 6: Final answer
    x = 2,063,722,068.60

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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.