Home / 891,005,204.80-1,336,507,807.20-707,339,195.20

Finding the Fourth Proportional to 891,005,204.80, 1,336,507,807.20 and 707,339,195.20

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Solution

The fourth proportional to 891,005,204.80, 1,336,507,807.20 and 707,339,195.20 is: 1,061,008,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,005,204.80 : 1,336,507,807.20 = 707,339,195.20 : x
  2. Step 2: Convert to fraction form
    891,005,204.80/1,336,507,807.20 = 707,339,195.20/x
  3. Step 3: Cross multiply
    891,005,204.80x = 1,336,507,807.20 × 707,339,195.20
  4. Step 4: Simplify right side
    891,005,204.80x = 945,364,356,723,364,864
  5. Step 5: Solve for x
    x = 945,364,356,723,364,864/891,005,204.80
  6. Step 6: Final answer
    x = 1,061,008,792.80

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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.