Home / 375,681,432.52-518,224,980.83-234,307,209.86

Finding the Fourth Proportional to 375,681,432.52, 518,224,980.83 and 234,307,209.86

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Solution

The fourth proportional to 375,681,432.52, 518,224,980.83 and 234,307,209.86 is: 323,209,610.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,681,432.52 : 518,224,980.83 = 234,307,209.86 : x
  2. Step 2: Convert to fraction form
    375,681,432.52/518,224,980.83 = 234,307,209.86/x
  3. Step 3: Cross multiply
    375,681,432.52x = 518,224,980.83 × 234,307,209.86
  4. Step 4: Simplify right side
    375,681,432.52x = 121,423,849,334,266,624
  5. Step 5: Solve for x
    x = 121,423,849,334,266,624/375,681,432.52
  6. Step 6: Final answer
    x = 323,209,610.12

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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.