Home / 993,446,917.70-1,370,894,974.66-547,385,318.90

Finding the Fourth Proportional to 993,446,917.70, 1,370,894,974.66 and 547,385,318.90

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Solution

The fourth proportional to 993,446,917.70, 1,370,894,974.66 and 547,385,318.90 is: 755,357,704.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,446,917.70 : 1,370,894,974.66 = 547,385,318.90 : x
  2. Step 2: Convert to fraction form
    993,446,917.70/1,370,894,974.66 = 547,385,318.90/x
  3. Step 3: Cross multiply
    993,446,917.70x = 1,370,894,974.66 × 547,385,318.90
  4. Step 4: Simplify right side
    993,446,917.70x = 750,407,782,882,671,488
  5. Step 5: Solve for x
    x = 750,407,782,882,671,488/993,446,917.70
  6. Step 6: Final answer
    x = 755,357,704.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.