Home / 347,736,999.90-521,605,499.85-342,635,166.30

Finding the Fourth Proportional to 347,736,999.90, 521,605,499.85 and 342,635,166.30

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Solution

The fourth proportional to 347,736,999.90, 521,605,499.85 and 342,635,166.30 is: 513,952,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,999.90 : 521,605,499.85 = 342,635,166.30 : x
  2. Step 2: Convert to fraction form
    347,736,999.90/521,605,499.85 = 342,635,166.30/x
  3. Step 3: Cross multiply
    347,736,999.90x = 521,605,499.85 × 342,635,166.30
  4. Step 4: Simplify right side
    347,736,999.90x = 178,720,387,184,099,392
  5. Step 5: Solve for x
    x = 178,720,387,184,099,392/347,736,999.90
  6. Step 6: Final answer
    x = 513,952,749.45

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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.