Home / 2,129,364,155.83-3,191,191,168-1,657,233,294.76

Finding the Fourth Proportional to 2,129,364,155.83, 3,191,191,168 and 1,657,233,294.76

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Solution

The fourth proportional to 2,129,364,155.83, 3,191,191,168 and 1,657,233,294.76 is: 2,483,627,912.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,364,155.83 : 3,191,191,168 = 1,657,233,294.76 : x
  2. Step 2: Convert to fraction form
    2,129,364,155.83/3,191,191,168 = 1,657,233,294.76/x
  3. Step 3: Cross multiply
    2,129,364,155.83x = 3,191,191,168 × 1,657,233,294.76
  4. Step 4: Simplify right side
    2,129,364,155.83x = 5,288,548,253,553,652,736
  5. Step 5: Solve for x
    x = 5,288,548,253,553,652,736/2,129,364,155.83
  6. Step 6: Final answer
    x = 2,483,627,912.62

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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.