Home / 683,279,502.40-1,024,819,720.80-198,554,766.40

Finding the Fourth Proportional to 683,279,502.40, 1,024,819,720.80 and 198,554,766.40

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Solution

The fourth proportional to 683,279,502.40, 1,024,819,720.80 and 198,554,766.40 is: 297,803,226.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,279,502.40 : 1,024,819,720.80 = 198,554,766.40 : x
  2. Step 2: Convert to fraction form
    683,279,502.40/1,024,819,720.80 = 198,554,766.40/x
  3. Step 3: Cross multiply
    683,279,502.40x = 1,024,819,720.80 × 198,554,766.40
  4. Step 4: Simplify right side
    683,279,502.40x = 203,482,840,265,557,216
  5. Step 5: Solve for x
    x = 203,482,840,265,557,216/683,279,502.40
  6. Step 6: Final answer
    x = 297,803,226.28

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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.