Home / 653,459,898.30-980,189,847.45-649,633,523.10

Finding the Fourth Proportional to 653,459,898.30, 980,189,847.45 and 649,633,523.10

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Solution

The fourth proportional to 653,459,898.30, 980,189,847.45 and 649,633,523.10 is: 974,450,284.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,459,898.30 : 980,189,847.45 = 649,633,523.10 : x
  2. Step 2: Convert to fraction form
    653,459,898.30/980,189,847.45 = 649,633,523.10/x
  3. Step 3: Cross multiply
    653,459,898.30x = 980,189,847.45 × 649,633,523.10
  4. Step 4: Simplify right side
    653,459,898.30x = 636,764,183,905,795,072
  5. Step 5: Solve for x
    x = 636,764,183,905,795,072/653,459,898.30
  6. Step 6: Final answer
    x = 974,450,284.65

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Double scale
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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.