Home / 672,026,250.60-1,008,039,375.90-631,211,581.80

Finding the Fourth Proportional to 672,026,250.60, 1,008,039,375.90 and 631,211,581.80

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Solution

The fourth proportional to 672,026,250.60, 1,008,039,375.90 and 631,211,581.80 is: 946,817,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,026,250.60 : 1,008,039,375.90 = 631,211,581.80 : x
  2. Step 2: Convert to fraction form
    672,026,250.60/1,008,039,375.90 = 631,211,581.80/x
  3. Step 3: Cross multiply
    672,026,250.60x = 1,008,039,375.90 × 631,211,581.80
  4. Step 4: Simplify right side
    672,026,250.60x = 636,286,128,978,523,776
  5. Step 5: Solve for x
    x = 636,286,128,978,523,776/672,026,250.60
  6. Step 6: Final answer
    x = 946,817,372.70

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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.