Home / 448,403,410.60-672,605,115.90-275,318,981.80

Finding the Fourth Proportional to 448,403,410.60, 672,605,115.90 and 275,318,981.80

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Solution

The fourth proportional to 448,403,410.60, 672,605,115.90 and 275,318,981.80 is: 412,978,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,403,410.60 : 672,605,115.90 = 275,318,981.80 : x
  2. Step 2: Convert to fraction form
    448,403,410.60/672,605,115.90 = 275,318,981.80/x
  3. Step 3: Cross multiply
    448,403,410.60x = 672,605,115.90 × 275,318,981.80
  4. Step 4: Simplify right side
    448,403,410.60x = 185,180,955,663,059,008
  5. Step 5: Solve for x
    x = 185,180,955,663,059,008/448,403,410.60
  6. Step 6: Final answer
    x = 412,978,472.70

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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.