Home / 28,889,757,373.70-43,334,636,060.55-25,859,268,215.30

Finding the Fourth Proportional to 28,889,757,373.70, 43,334,636,060.55 and 25,859,268,215.30

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Solution

The fourth proportional to 28,889,757,373.70, 43,334,636,060.55 and 25,859,268,215.30 is: 38,788,902,322.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,889,757,373.70 : 43,334,636,060.55 = 25,859,268,215.30 : x
  2. Step 2: Convert to fraction form
    28,889,757,373.70/43,334,636,060.55 = 25,859,268,215.30/x
  3. Step 3: Cross multiply
    28,889,757,373.70x = 43,334,636,060.55 × 25,859,268,215.30
  4. Step 4: Simplify right side
    28,889,757,373.70x = 1,120,601,976,902,173,851,648
  5. Step 5: Solve for x
    x = 1,120,601,976,902,173,851,648/28,889,757,373.70
  6. Step 6: Final answer
    x = 38,788,902,322.95

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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.