Home / 747,340,439.60-1,121,010,659.40-553,630,195.10

Finding the Fourth Proportional to 747,340,439.60, 1,121,010,659.40 and 553,630,195.10

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Solution

The fourth proportional to 747,340,439.60, 1,121,010,659.40 and 553,630,195.10 is: 830,445,292.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,340,439.60 : 1,121,010,659.40 = 553,630,195.10 : x
  2. Step 2: Convert to fraction form
    747,340,439.60/1,121,010,659.40 = 553,630,195.10/x
  3. Step 3: Cross multiply
    747,340,439.60x = 1,121,010,659.40 × 553,630,195.10
  4. Step 4: Simplify right side
    747,340,439.60x = 620,625,350,072,801,792
  5. Step 5: Solve for x
    x = 620,625,350,072,801,792/747,340,439.60
  6. Step 6: Final answer
    x = 830,445,292.65

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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.