Home / 281,310,347,947.60-421,965,521,921.40-162,294,773,726.80

Finding the Fourth Proportional to 281,310,347,947.60, 421,965,521,921.40 and 162,294,773,726.80

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Solution

The fourth proportional to 281,310,347,947.60, 421,965,521,921.40 and 162,294,773,726.80 is: 243,442,160,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,310,347,947.60 : 421,965,521,921.40 = 162,294,773,726.80 : x
  2. Step 2: Convert to fraction form
    281,310,347,947.60/421,965,521,921.40 = 162,294,773,726.80/x
  3. Step 3: Cross multiply
    281,310,347,947.60x = 421,965,521,921.40 × 162,294,773,726.80
  4. Step 4: Simplify right side
    281,310,347,947.60x = 68,482,798,900,744,676,179,968
  5. Step 5: Solve for x
    x = 68,482,798,900,744,676,179,968/281,310,347,947.60
  6. Step 6: Final answer
    x = 243,442,160,590.20

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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.