Home / 1,170,163,820.70-1,614,825,683.91-641,516,456.55

Finding the Fourth Proportional to 1,170,163,820.70, 1,614,825,683.91 and 641,516,456.55

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Solution

The fourth proportional to 1,170,163,820.70, 1,614,825,683.91 and 641,516,456.55 is: 885,292,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,163,820.70 : 1,614,825,683.91 = 641,516,456.55 : x
  2. Step 2: Convert to fraction form
    1,170,163,820.70/1,614,825,683.91 = 641,516,456.55/x
  3. Step 3: Cross multiply
    1,170,163,820.70x = 1,614,825,683.91 × 641,516,456.55
  4. Step 4: Simplify right side
    1,170,163,820.70x = 1,035,937,250,687,873,536
  5. Step 5: Solve for x
    x = 1,035,937,250,687,873,536/1,170,163,820.70
  6. Step 6: Final answer
    x = 885,292,496.97

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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.