Home / 1,274,156,750.80-1,911,235,126.20-401,025,759.85

Finding the Fourth Proportional to 1,274,156,750.80, 1,911,235,126.20 and 401,025,759.85

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Solution

The fourth proportional to 1,274,156,750.80, 1,911,235,126.20 and 401,025,759.85 is: 601,538,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,156,750.80 : 1,911,235,126.20 = 401,025,759.85 : x
  2. Step 2: Convert to fraction form
    1,274,156,750.80/1,911,235,126.20 = 401,025,759.85/x
  3. Step 3: Cross multiply
    1,274,156,750.80x = 1,911,235,126.20 × 401,025,759.85
  4. Step 4: Simplify right side
    1,274,156,750.80x = 766,454,518,736,365,696
  5. Step 5: Solve for x
    x = 766,454,518,736,365,696/1,274,156,750.80
  6. Step 6: Final answer
    x = 601,538,639.78

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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.