Home / 588,764,813.40-812,500,815.74-324,456,289.74

Finding the Fourth Proportional to 588,764,813.40, 812,500,815.74 and 324,456,289.74

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Solution

The fourth proportional to 588,764,813.40, 812,500,815.74 and 324,456,289.74 is: 447,752,640.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,764,813.40 : 812,500,815.74 = 324,456,289.74 : x
  2. Step 2: Convert to fraction form
    588,764,813.40/812,500,815.74 = 324,456,289.74/x
  3. Step 3: Cross multiply
    588,764,813.40x = 812,500,815.74 × 324,456,289.74
  4. Step 4: Simplify right side
    588,764,813.40x = 263,621,000,084,101,536
  5. Step 5: Solve for x
    x = 263,621,000,084,101,536/588,764,813.40
  6. Step 6: Final answer
    x = 447,752,640.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.