Home / 1,057,104,269.70-1,585,656,404.55-643,855,748.10

Finding the Fourth Proportional to 1,057,104,269.70, 1,585,656,404.55 and 643,855,748.10

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Solution

The fourth proportional to 1,057,104,269.70, 1,585,656,404.55 and 643,855,748.10 is: 965,783,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,104,269.70 : 1,585,656,404.55 = 643,855,748.10 : x
  2. Step 2: Convert to fraction form
    1,057,104,269.70/1,585,656,404.55 = 643,855,748.10/x
  3. Step 3: Cross multiply
    1,057,104,269.70x = 1,585,656,404.55 × 643,855,748.10
  4. Step 4: Simplify right side
    1,057,104,269.70x = 1,020,933,990,581,096,448
  5. Step 5: Solve for x
    x = 1,020,933,990,581,096,448/1,057,104,269.70
  6. Step 6: Final answer
    x = 965,783,622.15

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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.