Home / 488,448,007.20-732,672,010.80-345,120,775.20

Finding the Fourth Proportional to 488,448,007.20, 732,672,010.80 and 345,120,775.20

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Solution

The fourth proportional to 488,448,007.20, 732,672,010.80 and 345,120,775.20 is: 517,681,162.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,448,007.20 : 732,672,010.80 = 345,120,775.20 : x
  2. Step 2: Convert to fraction form
    488,448,007.20/732,672,010.80 = 345,120,775.20/x
  3. Step 3: Cross multiply
    488,448,007.20x = 732,672,010.80 × 345,120,775.20
  4. Step 4: Simplify right side
    488,448,007.20x = 252,860,332,334,638,752
  5. Step 5: Solve for x
    x = 252,860,332,334,638,752/488,448,007.20
  6. Step 6: Final answer
    x = 517,681,162.80

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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.