Home / 670,654,132.20-1,003,965,659.10-397,884,493.80

Finding the Fourth Proportional to 670,654,132.20, 1,003,965,659.10 and 397,884,493.80

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Solution

The fourth proportional to 670,654,132.20, 1,003,965,659.10 and 397,884,493.80 is: 595,630,965.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,654,132.20 : 1,003,965,659.10 = 397,884,493.80 : x
  2. Step 2: Convert to fraction form
    670,654,132.20/1,003,965,659.10 = 397,884,493.80/x
  3. Step 3: Cross multiply
    670,654,132.20x = 1,003,965,659.10 × 397,884,493.80
  4. Step 4: Simplify right side
    670,654,132.20x = 399,462,368,063,586,880
  5. Step 5: Solve for x
    x = 399,462,368,063,586,880/670,654,132.20
  6. Step 6: Final answer
    x = 595,630,965.18

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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.