Home / 381,762,920.39-571,849,866.23-242,900,667.59

Finding the Fourth Proportional to 381,762,920.39, 571,849,866.23 and 242,900,667.59

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Solution

The fourth proportional to 381,762,920.39, 571,849,866.23 and 242,900,667.59 is: 363,845,483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,762,920.39 : 571,849,866.23 = 242,900,667.59 : x
  2. Step 2: Convert to fraction form
    381,762,920.39/571,849,866.23 = 242,900,667.59/x
  3. Step 3: Cross multiply
    381,762,920.39x = 571,849,866.23 × 242,900,667.59
  4. Step 4: Simplify right side
    381,762,920.39x = 138,902,714,264,445,456
  5. Step 5: Solve for x
    x = 138,902,714,264,445,456/381,762,920.39
  6. Step 6: Final answer
    x = 363,845,483.28

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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.