Home / 1,274,156,767.80-1,911,235,151.70-401,025,776.86

Finding the Fourth Proportional to 1,274,156,767.80, 1,911,235,151.70 and 401,025,776.86

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Solution

The fourth proportional to 1,274,156,767.80, 1,911,235,151.70 and 401,025,776.86 is: 601,538,665.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,156,767.80 : 1,911,235,151.70 = 401,025,776.86 : x
  2. Step 2: Convert to fraction form
    1,274,156,767.80/1,911,235,151.70 = 401,025,776.86/x
  3. Step 3: Cross multiply
    1,274,156,767.80x = 1,911,235,151.70 × 401,025,776.86
  4. Step 4: Simplify right side
    1,274,156,767.80x = 766,454,561,472,632,448
  5. Step 5: Solve for x
    x = 766,454,561,472,632,448/1,274,156,767.80
  6. Step 6: Final answer
    x = 601,538,665.29

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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.