Home / 282,543,908.90-423,815,863.35-206,016,404.90

Finding the Fourth Proportional to 282,543,908.90, 423,815,863.35 and 206,016,404.90

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Solution

The fourth proportional to 282,543,908.90, 423,815,863.35 and 206,016,404.90 is: 309,024,607.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,543,908.90 : 423,815,863.35 = 206,016,404.90 : x
  2. Step 2: Convert to fraction form
    282,543,908.90/423,815,863.35 = 206,016,404.90/x
  3. Step 3: Cross multiply
    282,543,908.90x = 423,815,863.35 × 206,016,404.90
  4. Step 4: Simplify right side
    282,543,908.90x = 87,313,020,506,956,672
  5. Step 5: Solve for x
    x = 87,313,020,506,956,672/282,543,908.90
  6. Step 6: Final answer
    x = 309,024,607.35

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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.