Home / 412,494,938.76-570,741,959.20-359,681,774.58

Finding the Fourth Proportional to 412,494,938.76, 570,741,959.20 and 359,681,774.58

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Solution

The fourth proportional to 412,494,938.76, 570,741,959.20 and 359,681,774.58 is: 497,667,877.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,494,938.76 : 570,741,959.20 = 359,681,774.58 : x
  2. Step 2: Convert to fraction form
    412,494,938.76/570,741,959.20 = 359,681,774.58/x
  3. Step 3: Cross multiply
    412,494,938.76x = 570,741,959.20 × 359,681,774.58
  4. Step 4: Simplify right side
    412,494,938.76x = 205,285,480,712,321,952
  5. Step 5: Solve for x
    x = 205,285,480,712,321,952/412,494,938.76
  6. Step 6: Final answer
    x = 497,667,877.65

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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.