Home / 664,317,870.40-996,476,805.60-358,207,854.40

Finding the Fourth Proportional to 664,317,870.40, 996,476,805.60 and 358,207,854.40

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Solution

The fourth proportional to 664,317,870.40, 996,476,805.60 and 358,207,854.40 is: 537,311,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,317,870.40 : 996,476,805.60 = 358,207,854.40 : x
  2. Step 2: Convert to fraction form
    664,317,870.40/996,476,805.60 = 358,207,854.40/x
  3. Step 3: Cross multiply
    664,317,870.40x = 996,476,805.60 × 358,207,854.40
  4. Step 4: Simplify right side
    664,317,870.40x = 356,945,818,493,341,888
  5. Step 5: Solve for x
    x = 356,945,818,493,341,888/664,317,870.40
  6. Step 6: Final answer
    x = 537,311,781.60

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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.