Home / 426,483,601.20-639,725,408.52-103,367,473.20

Finding the Fourth Proportional to 426,483,601.20, 639,725,408.52 and 103,367,473.20

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Solution

The fourth proportional to 426,483,601.20, 639,725,408.52 and 103,367,473.20 is: 155,051,211.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,483,601.20 : 639,725,408.52 = 103,367,473.20 : x
  2. Step 2: Convert to fraction form
    426,483,601.20/639,725,408.52 = 103,367,473.20/x
  3. Step 3: Cross multiply
    426,483,601.20x = 639,725,408.52 × 103,367,473.20
  4. Step 4: Simplify right side
    426,483,601.20x = 66,126,799,020,550,152
  5. Step 5: Solve for x
    x = 66,126,799,020,550,152/426,483,601.20
  6. Step 6: Final answer
    x = 155,051,211.43

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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.