Home / 747,013,886.40-1,120,520,829.60-502,125,873.60

Finding the Fourth Proportional to 747,013,886.40, 1,120,520,829.60 and 502,125,873.60

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Solution

The fourth proportional to 747,013,886.40, 1,120,520,829.60 and 502,125,873.60 is: 753,188,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,013,886.40 : 1,120,520,829.60 = 502,125,873.60 : x
  2. Step 2: Convert to fraction form
    747,013,886.40/1,120,520,829.60 = 502,125,873.60/x
  3. Step 3: Cross multiply
    747,013,886.40x = 1,120,520,829.60 × 502,125,873.60
  4. Step 4: Simplify right side
    747,013,886.40x = 562,642,500,449,896,704
  5. Step 5: Solve for x
    x = 562,642,500,449,896,704/747,013,886.40
  6. Step 6: Final answer
    x = 753,188,810.40

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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.