Home / 319,002,089,219.52-478,503,944,276.40-130,347,985,022.16

Finding the Fourth Proportional to 319,002,089,219.52, 478,503,944,276.40 and 130,347,985,022.16

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Solution

The fourth proportional to 319,002,089,219.52, 478,503,944,276.40 and 130,347,985,022.16 is: 195,522,308,691.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,002,089,219.52 : 478,503,944,276.40 = 130,347,985,022.16 : x
  2. Step 2: Convert to fraction form
    319,002,089,219.52/478,503,944,276.40 = 130,347,985,022.16/x
  3. Step 3: Cross multiply
    319,002,089,219.52x = 478,503,944,276.40 × 130,347,985,022.16
  4. Step 4: Simplify right side
    319,002,089,219.52x = 62,372,024,961,584,672,538,624
  5. Step 5: Solve for x
    x = 62,372,024,961,584,672,538,624/319,002,089,219.52
  6. Step 6: Final answer
    x = 195,522,308,691.41

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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.