Home / 898,727,067.87-1,240,135,941.54-496,786,520.91

Finding the Fourth Proportional to 898,727,067.87, 1,240,135,941.54 and 496,786,520.91

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Solution

The fourth proportional to 898,727,067.87, 1,240,135,941.54 and 496,786,520.91 is: 685,506,025.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,727,067.87 : 1,240,135,941.54 = 496,786,520.91 : x
  2. Step 2: Convert to fraction form
    898,727,067.87/1,240,135,941.54 = 496,786,520.91/x
  3. Step 3: Cross multiply
    898,727,067.87x = 1,240,135,941.54 × 496,786,520.91
  4. Step 4: Simplify right side
    898,727,067.87x = 616,082,819,853,103,744
  5. Step 5: Solve for x
    x = 616,082,819,853,103,744/898,727,067.87
  6. Step 6: Final answer
    x = 685,506,025.00

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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.