Home / 1,180,036,125.60-1,772,069,727.60-772,897,207.20

Finding the Fourth Proportional to 1,180,036,125.60, 1,772,069,727.60 and 772,897,207.20

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Solution

The fourth proportional to 1,180,036,125.60, 1,772,069,727.60 and 772,897,207.20 is: 1,160,665,943.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,036,125.60 : 1,772,069,727.60 = 772,897,207.20 : x
  2. Step 2: Convert to fraction form
    1,180,036,125.60/1,772,069,727.60 = 772,897,207.20/x
  3. Step 3: Cross multiply
    1,180,036,125.60x = 1,772,069,727.60 × 772,897,207.20
  4. Step 4: Simplify right side
    1,180,036,125.60x = 1,369,627,743,425,704,704
  5. Step 5: Solve for x
    x = 1,369,627,743,425,704,704/1,180,036,125.60
  6. Step 6: Final answer
    x = 1,160,665,943.79

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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.