Home / 483,345,408.60-725,018,112.90-138,310,291.80

Finding the Fourth Proportional to 483,345,408.60, 725,018,112.90 and 138,310,291.80

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Solution

The fourth proportional to 483,345,408.60, 725,018,112.90 and 138,310,291.80 is: 207,465,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,345,408.60 : 725,018,112.90 = 138,310,291.80 : x
  2. Step 2: Convert to fraction form
    483,345,408.60/725,018,112.90 = 138,310,291.80/x
  3. Step 3: Cross multiply
    483,345,408.60x = 725,018,112.90 × 138,310,291.80
  4. Step 4: Simplify right side
    483,345,408.60x = 100,277,466,755,484,352
  5. Step 5: Solve for x
    x = 100,277,466,755,484,352/483,345,408.60
  6. Step 6: Final answer
    x = 207,465,437.70

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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.