Home / 1,225,825,235,390.90-1,691,690,217,176.90-704,981,060,402.90

Finding the Fourth Proportional to 1,225,825,235,390.90, 1,691,690,217,176.90 and 704,981,060,402.90

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Solution

The fourth proportional to 1,225,825,235,390.90, 1,691,690,217,176.90 and 704,981,060,402.90 is: 972,903,419,465.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,825,235,390.90 : 1,691,690,217,176.90 = 704,981,060,402.90 : x
  2. Step 2: Convert to fraction form
    1,225,825,235,390.90/1,691,690,217,176.90 = 704,981,060,402.90/x
  3. Step 3: Cross multiply
    1,225,825,235,390.90x = 1,691,690,217,176.90 × 704,981,060,402.90
  4. Step 4: Simplify right side
    1,225,825,235,390.90x = 1,192,609,563,178,583,155,802,112
  5. Step 5: Solve for x
    x = 1,192,609,563,178,583,155,802,112/1,225,825,235,390.90
  6. Step 6: Final answer
    x = 972,903,419,465.24

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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.