Home / 457,438,893,793.74-685,363,159,876.32-321,011,674,243.02

Finding the Fourth Proportional to 457,438,893,793.74, 685,363,159,876.32 and 321,011,674,243.02

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Solution

The fourth proportional to 457,438,893,793.74, 685,363,159,876.32 and 321,011,674,243.02 is: 480,959,486,395.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,438,893,793.74 : 685,363,159,876.32 = 321,011,674,243.02 : x
  2. Step 2: Convert to fraction form
    457,438,893,793.74/685,363,159,876.32 = 321,011,674,243.02/x
  3. Step 3: Cross multiply
    457,438,893,793.74x = 685,363,159,876.32 × 321,011,674,243.02
  4. Step 4: Simplify right side
    457,438,893,793.74x = 220,009,575,416,384,062,488,576
  5. Step 5: Solve for x
    x = 220,009,575,416,384,062,488,576/457,438,893,793.74
  6. Step 6: Final answer
    x = 480,959,486,395.55

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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.