Home / 874,027,200.80-1,310,872,839.60-260,631,437.60

Finding the Fourth Proportional to 874,027,200.80, 1,310,872,839.60 and 260,631,437.60

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Solution

The fourth proportional to 874,027,200.80, 1,310,872,839.60 and 260,631,437.60 is: 390,897,070.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,027,200.80 : 1,310,872,839.60 = 260,631,437.60 : x
  2. Step 2: Convert to fraction form
    874,027,200.80/1,310,872,839.60 = 260,631,437.60/x
  3. Step 3: Cross multiply
    874,027,200.80x = 1,310,872,839.60 × 260,631,437.60
  4. Step 4: Simplify right side
    874,027,200.80x = 341,654,672,695,742,208
  5. Step 5: Solve for x
    x = 341,654,672,695,742,208/874,027,200.80
  6. Step 6: Final answer
    x = 390,897,070.92

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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.