Home / 559,177,709.70-838,766,564.55-317,313,005.70

Finding the Fourth Proportional to 559,177,709.70, 838,766,564.55 and 317,313,005.70

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Solution

The fourth proportional to 559,177,709.70, 838,766,564.55 and 317,313,005.70 is: 475,969,508.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,177,709.70 : 838,766,564.55 = 317,313,005.70 : x
  2. Step 2: Convert to fraction form
    559,177,709.70/838,766,564.55 = 317,313,005.70/x
  3. Step 3: Cross multiply
    559,177,709.70x = 838,766,564.55 × 317,313,005.70
  4. Step 4: Simplify right side
    559,177,709.70x = 266,151,539,678,023,552
  5. Step 5: Solve for x
    x = 266,151,539,678,023,552/559,177,709.70
  6. Step 6: Final answer
    x = 475,969,508.55

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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.