Home / 487,060,328.41-730,712,308.55-142,013,955.38

Finding the Fourth Proportional to 487,060,328.41, 730,712,308.55 and 142,013,955.38

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Solution

The fourth proportional to 487,060,328.41, 730,712,308.55 and 142,013,955.38 is: 213,056,451.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,060,328.41 : 730,712,308.55 = 142,013,955.38 : x
  2. Step 2: Convert to fraction form
    487,060,328.41/730,712,308.55 = 142,013,955.38/x
  3. Step 3: Cross multiply
    487,060,328.41x = 730,712,308.55 × 142,013,955.38
  4. Step 4: Simplify right side
    487,060,328.41x = 103,771,345,177,672,848
  5. Step 5: Solve for x
    x = 103,771,345,177,672,848/487,060,328.41
  6. Step 6: Final answer
    x = 213,056,451.38

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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.