Home / 488,448,009.20-732,672,013.80-345,120,777.20

Finding the Fourth Proportional to 488,448,009.20, 732,672,013.80 and 345,120,777.20

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Solution

The fourth proportional to 488,448,009.20, 732,672,013.80 and 345,120,777.20 is: 517,681,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,448,009.20 : 732,672,013.80 = 345,120,777.20 : x
  2. Step 2: Convert to fraction form
    488,448,009.20/732,672,013.80 = 345,120,777.20/x
  3. Step 3: Cross multiply
    488,448,009.20x = 732,672,013.80 × 345,120,777.20
  4. Step 4: Simplify right side
    488,448,009.20x = 252,860,334,835,345,088
  5. Step 5: Solve for x
    x = 252,860,334,835,345,088/488,448,009.20
  6. Step 6: Final answer
    x = 517,681,165.80

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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.