Home / 541,688,795.28-812,427,390.72-173,124,882.72

Finding the Fourth Proportional to 541,688,795.28, 812,427,390.72 and 173,124,882.72

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Solution

The fourth proportional to 541,688,795.28, 812,427,390.72 and 173,124,882.72 is: 259,653,509.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,688,795.28 : 812,427,390.72 = 173,124,882.72 : x
  2. Step 2: Convert to fraction form
    541,688,795.28/812,427,390.72 = 173,124,882.72/x
  3. Step 3: Cross multiply
    541,688,795.28x = 812,427,390.72 × 173,124,882.72
  4. Step 4: Simplify right side
    541,688,795.28x = 140,651,396,736,915,616
  5. Step 5: Solve for x
    x = 140,651,396,736,915,616/541,688,795.28
  6. Step 6: Final answer
    x = 259,653,509.47

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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.