Home / 1,161,720,639.45-1,603,127,834.87-633,073,358.61

Finding the Fourth Proportional to 1,161,720,639.45, 1,603,127,834.87 and 633,073,358.61

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Solution

The fourth proportional to 1,161,720,639.45, 1,603,127,834.87 and 633,073,358.61 is: 873,615,814.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,720,639.45 : 1,603,127,834.87 = 633,073,358.61 : x
  2. Step 2: Convert to fraction form
    1,161,720,639.45/1,603,127,834.87 = 633,073,358.61/x
  3. Step 3: Cross multiply
    1,161,720,639.45x = 1,603,127,834.87 × 633,073,358.61
  4. Step 4: Simplify right side
    1,161,720,639.45x = 1,014,897,522,699,163,008
  5. Step 5: Solve for x
    x = 1,014,897,522,699,163,008/1,161,720,639.45
  6. Step 6: Final answer
    x = 873,615,814.54

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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.