Home / 281,927,516,847.93-389,060,015,220.63-153,469,940,654.07

Finding the Fourth Proportional to 281,927,516,847.93, 389,060,015,220.63 and 153,469,940,654.07

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Solution

The fourth proportional to 281,927,516,847.93, 389,060,015,220.63 and 153,469,940,654.07 is: 211,788,540,949.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,927,516,847.93 : 389,060,015,220.63 = 153,469,940,654.07 : x
  2. Step 2: Convert to fraction form
    281,927,516,847.93/389,060,015,220.63 = 153,469,940,654.07/x
  3. Step 3: Cross multiply
    281,927,516,847.93x = 389,060,015,220.63 × 153,469,940,654.07
  4. Step 4: Simplify right side
    281,927,516,847.93x = 59,709,017,446,781,657,546,752
  5. Step 5: Solve for x
    x = 59,709,017,446,781,657,546,752/281,927,516,847.93
  6. Step 6: Final answer
    x = 211,788,540,949.65

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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.