Home / 373,482,006.38-515,407,660.47-203,937,421.27

Finding the Fourth Proportional to 373,482,006.38, 515,407,660.47 and 203,937,421.27

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Solution

The fourth proportional to 373,482,006.38, 515,407,660.47 and 203,937,421.27 is: 281,435,001.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,482,006.38 : 515,407,660.47 = 203,937,421.27 : x
  2. Step 2: Convert to fraction form
    373,482,006.38/515,407,660.47 = 203,937,421.27/x
  3. Step 3: Cross multiply
    373,482,006.38x = 515,407,660.47 × 203,937,421.27
  4. Step 4: Simplify right side
    373,482,006.38x = 105,110,909,178,149,248
  5. Step 5: Solve for x
    x = 105,110,909,178,149,248/373,482,006.38
  6. Step 6: Final answer
    x = 281,435,001.91

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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.