Home / 991,399,213.28-1,486,783,319.20-327,289,580

Finding the Fourth Proportional to 991,399,213.28, 1,486,783,319.20 and 327,289,580

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Solution

The fourth proportional to 991,399,213.28, 1,486,783,319.20 and 327,289,580 is: 490,830,214.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,399,213.28 : 1,486,783,319.20 = 327,289,580 : x
  2. Step 2: Convert to fraction form
    991,399,213.28/1,486,783,319.20 = 327,289,580/x
  3. Step 3: Cross multiply
    991,399,213.28x = 1,486,783,319.20 × 327,289,580
  4. Step 4: Simplify right side
    991,399,213.28x = 486,608,688,091,973,952
  5. Step 5: Solve for x
    x = 486,608,688,091,973,952/991,399,213.28
  6. Step 6: Final answer
    x = 490,830,214.08

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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.