Home / 494,428,405.77-740,672,943.41-286,730,470.13

Finding the Fourth Proportional to 494,428,405.77, 740,672,943.41 and 286,730,470.13

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Solution

The fourth proportional to 494,428,405.77, 740,672,943.41 and 286,730,470.13 is: 429,533,373.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,428,405.77 : 740,672,943.41 = 286,730,470.13 : x
  2. Step 2: Convert to fraction form
    494,428,405.77/740,672,943.41 = 286,730,470.13/x
  3. Step 3: Cross multiply
    494,428,405.77x = 740,672,943.41 × 286,730,470.13
  4. Step 4: Simplify right side
    494,428,405.77x = 212,373,501,273,533,664
  5. Step 5: Solve for x
    x = 212,373,501,273,533,664/494,428,405.77
  6. Step 6: Final answer
    x = 429,533,373.88

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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.