Home / 1,201,639,289.48-1,657,733,987.94-725,063,833.96

Finding the Fourth Proportional to 1,201,639,289.48, 1,657,733,987.94 and 725,063,833.96

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Solution

The fourth proportional to 1,201,639,289.48, 1,657,733,987.94 and 725,063,833.96 is: 1,000,269,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,639,289.48 : 1,657,733,987.94 = 725,063,833.96 : x
  2. Step 2: Convert to fraction form
    1,201,639,289.48/1,657,733,987.94 = 725,063,833.96/x
  3. Step 3: Cross multiply
    1,201,639,289.48x = 1,657,733,987.94 × 725,063,833.96
  4. Step 4: Simplify right side
    1,201,639,289.48x = 1,201,962,960,981,576,960
  5. Step 5: Solve for x
    x = 1,201,962,960,981,576,960/1,201,639,289.48
  6. Step 6: Final answer
    x = 1,000,269,358.29

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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.