Home / 425,187,756.78-586,759,099.59-229,617,468.78

Finding the Fourth Proportional to 425,187,756.78, 586,759,099.59 and 229,617,468.78

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Solution

The fourth proportional to 425,187,756.78, 586,759,099.59 and 229,617,468.78 is: 316,872,104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,187,756.78 : 586,759,099.59 = 229,617,468.78 : x
  2. Step 2: Convert to fraction form
    425,187,756.78/586,759,099.59 = 229,617,468.78/x
  3. Step 3: Cross multiply
    425,187,756.78x = 586,759,099.59 × 229,617,468.78
  4. Step 4: Simplify right side
    425,187,756.78x = 134,730,139,231,487,744
  5. Step 5: Solve for x
    x = 134,730,139,231,487,744/425,187,756.78
  6. Step 6: Final answer
    x = 316,872,104.34

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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.