Home / 21,054,414,941.95-31,581,865,023.35-7,609,719,905.59

Finding the Fourth Proportional to 21,054,414,941.95, 31,581,865,023.35 and 7,609,719,905.59

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Solution

The fourth proportional to 21,054,414,941.95, 31,581,865,023.35 and 7,609,719,905.59 is: 11,414,667,545.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054,414,941.95 : 31,581,865,023.35 = 7,609,719,905.59 : x
  2. Step 2: Convert to fraction form
    21,054,414,941.95/31,581,865,023.35 = 7,609,719,905.59/x
  3. Step 3: Cross multiply
    21,054,414,941.95x = 31,581,865,023.35 × 7,609,719,905.59
  4. Step 4: Simplify right side
    21,054,414,941.95x = 240,329,146,923,881,693,184
  5. Step 5: Solve for x
    x = 240,329,146,923,881,693,184/21,054,414,941.95
  6. Step 6: Final answer
    x = 11,414,667,545.34

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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.