Home / 425,187,729.12-586,759,061.38-229,617,441.12

Finding the Fourth Proportional to 425,187,729.12, 586,759,061.38 and 229,617,441.12

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Solution

The fourth proportional to 425,187,729.12, 586,759,061.38 and 229,617,441.12 is: 316,872,066.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,187,729.12 : 586,759,061.38 = 229,617,441.12 : x
  2. Step 2: Convert to fraction form
    425,187,729.12/586,759,061.38 = 229,617,441.12/x
  3. Step 3: Cross multiply
    425,187,729.12x = 586,759,061.38 × 229,617,441.12
  4. Step 4: Simplify right side
    425,187,729.12x = 134,730,114,230,108,896
  5. Step 5: Solve for x
    x = 134,730,114,230,108,896/425,187,729.12
  6. Step 6: Final answer
    x = 316,872,066.15

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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.