Home / 2,938,023,439.28-4,407,715,985.76-839,527,178.76

Finding the Fourth Proportional to 2,938,023,439.28, 4,407,715,985.76 and 839,527,178.76

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Solution

The fourth proportional to 2,938,023,439.28, 4,407,715,985.76 and 839,527,178.76 is: 1,259,485,311.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,023,439.28 : 4,407,715,985.76 = 839,527,178.76 : x
  2. Step 2: Convert to fraction form
    2,938,023,439.28/4,407,715,985.76 = 839,527,178.76/x
  3. Step 3: Cross multiply
    2,938,023,439.28x = 4,407,715,985.76 × 839,527,178.76
  4. Step 4: Simplify right side
    2,938,023,439.28x = 3,700,397,366,300,445,184
  5. Step 5: Solve for x
    x = 3,700,397,366,300,445,184/2,938,023,439.28
  6. Step 6: Final answer
    x = 1,259,485,311.39

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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.