Home / 3,909,429,516.28-5,856,292,739.76-1,807,960,340.92

Finding the Fourth Proportional to 3,909,429,516.28, 5,856,292,739.76 and 1,807,960,340.92

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Solution

The fourth proportional to 3,909,429,516.28, 5,856,292,739.76 and 1,807,960,340.92 is: 2,708,309,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909,429,516.28 : 5,856,292,739.76 = 1,807,960,340.92 : x
  2. Step 2: Convert to fraction form
    3,909,429,516.28/5,856,292,739.76 = 1,807,960,340.92/x
  3. Step 3: Cross multiply
    3,909,429,516.28x = 5,856,292,739.76 × 1,807,960,340.92
  4. Step 4: Simplify right side
    3,909,429,516.28x = 10,587,945,018,303,811,584
  5. Step 5: Solve for x
    x = 10,587,945,018,303,811,584/3,909,429,516.28
  6. Step 6: Final answer
    x = 2,708,309,479.48

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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.