Home / 513,217,068.80-769,825,603.20-329,551,059.20

Finding the Fourth Proportional to 513,217,068.80, 769,825,603.20 and 329,551,059.20

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Solution

The fourth proportional to 513,217,068.80, 769,825,603.20 and 329,551,059.20 is: 494,326,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,217,068.80 : 769,825,603.20 = 329,551,059.20 : x
  2. Step 2: Convert to fraction form
    513,217,068.80/769,825,603.20 = 329,551,059.20/x
  3. Step 3: Cross multiply
    513,217,068.80x = 769,825,603.20 × 329,551,059.20
  4. Step 4: Simplify right side
    513,217,068.80x = 253,696,842,933,838,912
  5. Step 5: Solve for x
    x = 253,696,842,933,838,912/513,217,068.80
  6. Step 6: Final answer
    x = 494,326,588.80

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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.