Home / 814,615,629.18-1,124,288,026.47-457,423,504.26

Finding the Fourth Proportional to 814,615,629.18, 1,124,288,026.47 and 457,423,504.26

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Solution

The fourth proportional to 814,615,629.18, 1,124,288,026.47 and 457,423,504.26 is: 631,310,952.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,615,629.18 : 1,124,288,026.47 = 457,423,504.26 : x
  2. Step 2: Convert to fraction form
    814,615,629.18/1,124,288,026.47 = 457,423,504.26/x
  3. Step 3: Cross multiply
    814,615,629.18x = 1,124,288,026.47 × 457,423,504.26
  4. Step 4: Simplify right side
    814,615,629.18x = 514,275,768,865,467,072
  5. Step 5: Solve for x
    x = 514,275,768,865,467,072/814,615,629.18
  6. Step 6: Final answer
    x = 631,310,952.61

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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.