Home / 1,274,156,742.80-1,911,235,114.20-401,025,751.85

Finding the Fourth Proportional to 1,274,156,742.80, 1,911,235,114.20 and 401,025,751.85

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Solution

The fourth proportional to 1,274,156,742.80, 1,911,235,114.20 and 401,025,751.85 is: 601,538,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,156,742.80 : 1,911,235,114.20 = 401,025,751.85 : x
  2. Step 2: Convert to fraction form
    1,274,156,742.80/1,911,235,114.20 = 401,025,751.85/x
  3. Step 3: Cross multiply
    1,274,156,742.80x = 1,911,235,114.20 × 401,025,751.85
  4. Step 4: Simplify right side
    1,274,156,742.80x = 766,454,498,634,175,616
  5. Step 5: Solve for x
    x = 766,454,498,634,175,616/1,274,156,742.80
  6. Step 6: Final answer
    x = 601,538,627.78

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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.