Home / 488,754,920.40-733,982,686.20-259,172,408.40

Finding the Fourth Proportional to 488,754,920.40, 733,982,686.20 and 259,172,408.40

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Solution

The fourth proportional to 488,754,920.40, 733,982,686.20 and 259,172,408.40 is: 389,209,504.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,754,920.40 : 733,982,686.20 = 259,172,408.40 : x
  2. Step 2: Convert to fraction form
    488,754,920.40/733,982,686.20 = 259,172,408.40/x
  3. Step 3: Cross multiply
    488,754,920.40x = 733,982,686.20 × 259,172,408.40
  4. Step 4: Simplify right side
    488,754,920.40x = 190,228,060,506,355,456
  5. Step 5: Solve for x
    x = 190,228,060,506,355,456/488,754,920.40
  6. Step 6: Final answer
    x = 389,209,504.74

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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.