Home / 664,357,067.90-996,535,601.85-626,093,315.90

Finding the Fourth Proportional to 664,357,067.90, 996,535,601.85 and 626,093,315.90

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Solution

The fourth proportional to 664,357,067.90, 996,535,601.85 and 626,093,315.90 is: 939,139,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,357,067.90 : 996,535,601.85 = 626,093,315.90 : x
  2. Step 2: Convert to fraction form
    664,357,067.90/996,535,601.85 = 626,093,315.90/x
  3. Step 3: Cross multiply
    664,357,067.90x = 996,535,601.85 × 626,093,315.90
  4. Step 4: Simplify right side
    664,357,067.90x = 623,924,279,374,668,672
  5. Step 5: Solve for x
    x = 623,924,279,374,668,672/664,357,067.90
  6. Step 6: Final answer
    x = 939,139,973.85

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Double scale
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Similar ratio
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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.