Home / 319,002,089,220.52-478,503,944,277.90-130,347,985,023.16

Finding the Fourth Proportional to 319,002,089,220.52, 478,503,944,277.90 and 130,347,985,023.16

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Solution

The fourth proportional to 319,002,089,220.52, 478,503,944,277.90 and 130,347,985,023.16 is: 195,522,308,692.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,002,089,220.52 : 478,503,944,277.90 = 130,347,985,023.16 : x
  2. Step 2: Convert to fraction form
    319,002,089,220.52/478,503,944,277.90 = 130,347,985,023.16/x
  3. Step 3: Cross multiply
    319,002,089,220.52x = 478,503,944,277.90 × 130,347,985,023.16
  4. Step 4: Simplify right side
    319,002,089,220.52x = 62,372,024,962,258,697,191,424
  5. Step 5: Solve for x
    x = 62,372,024,962,258,697,191,424/319,002,089,220.52
  6. Step 6: Final answer
    x = 195,522,308,692.91

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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.