Home / 1,282,857,126.60-1,770,342,834.87-696,146,262.60

Finding the Fourth Proportional to 1,282,857,126.60, 1,770,342,834.87 and 696,146,262.60

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Solution

The fourth proportional to 1,282,857,126.60, 1,770,342,834.87 and 696,146,262.60 is: 960,681,842.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,857,126.60 : 1,770,342,834.87 = 696,146,262.60 : x
  2. Step 2: Convert to fraction form
    1,282,857,126.60/1,770,342,834.87 = 696,146,262.60/x
  3. Step 3: Cross multiply
    1,282,857,126.60x = 1,770,342,834.87 × 696,146,262.60
  4. Step 4: Simplify right side
    1,282,857,126.60x = 1,232,417,548,015,439,360
  5. Step 5: Solve for x
    x = 1,232,417,548,015,439,360/1,282,857,126.60
  6. Step 6: Final answer
    x = 960,681,842.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.