Home / 373,210,288.90-515,132,637.57-216,627,841.86

Finding the Fourth Proportional to 373,210,288.90, 515,132,637.57 and 216,627,841.86

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Solution

The fourth proportional to 373,210,288.90, 515,132,637.57 and 216,627,841.86 is: 299,005,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,210,288.90 : 515,132,637.57 = 216,627,841.86 : x
  2. Step 2: Convert to fraction form
    373,210,288.90/515,132,637.57 = 216,627,841.86/x
  3. Step 3: Cross multiply
    373,210,288.90x = 515,132,637.57 × 216,627,841.86
  4. Step 4: Simplify right side
    373,210,288.90x = 111,592,071,548,438,656
  5. Step 5: Solve for x
    x = 111,592,071,548,438,656/373,210,288.90
  6. Step 6: Final answer
    x = 299,005,881.85

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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.