Home / 649,653,965.70-974,480,948.55-504,535,143.30

Finding the Fourth Proportional to 649,653,965.70, 974,480,948.55 and 504,535,143.30

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Solution

The fourth proportional to 649,653,965.70, 974,480,948.55 and 504,535,143.30 is: 756,802,714.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,653,965.70 : 974,480,948.55 = 504,535,143.30 : x
  2. Step 2: Convert to fraction form
    649,653,965.70/974,480,948.55 = 504,535,143.30/x
  3. Step 3: Cross multiply
    649,653,965.70x = 974,480,948.55 × 504,535,143.30
  4. Step 4: Simplify right side
    649,653,965.70x = 491,659,885,019,794,176
  5. Step 5: Solve for x
    x = 491,659,885,019,794,176/649,653,965.70
  6. Step 6: Final answer
    x = 756,802,714.95

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Double scale
Find fourth proportional to 649,653,966.70, 974,480,950.05 and 504,535,144.30
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.