Home / 803,949,777.60-1,205,924,666.40-769,937,553.60

Finding the Fourth Proportional to 803,949,777.60, 1,205,924,666.40 and 769,937,553.60

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Solution

The fourth proportional to 803,949,777.60, 1,205,924,666.40 and 769,937,553.60 is: 1,154,906,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,949,777.60 : 1,205,924,666.40 = 769,937,553.60 : x
  2. Step 2: Convert to fraction form
    803,949,777.60/1,205,924,666.40 = 769,937,553.60/x
  3. Step 3: Cross multiply
    803,949,777.60x = 1,205,924,666.40 × 769,937,553.60
  4. Step 4: Simplify right side
    803,949,777.60x = 928,486,687,473,912,192
  5. Step 5: Solve for x
    x = 928,486,687,473,912,192/803,949,777.60
  6. Step 6: Final answer
    x = 1,154,906,330.40

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1.5x scale

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.