Home / 587,960,621.30-811,407,069-320,023,505.00

Finding the Fourth Proportional to 587,960,621.30, 811,407,069 and 320,023,505.00

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Solution

The fourth proportional to 587,960,621.30, 811,407,069 and 320,023,505.00 is: 441,644,091.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,960,621.30 : 811,407,069 = 320,023,505.00 : x
  2. Step 2: Convert to fraction form
    587,960,621.30/811,407,069 = 320,023,505.00/x
  3. Step 3: Cross multiply
    587,960,621.30x = 811,407,069 × 320,023,505.00
  4. Step 4: Simplify right side
    587,960,621.30x = 259,669,334,199,099,808
  5. Step 5: Solve for x
    x = 259,669,334,199,099,808/587,960,621.30
  6. Step 6: Final answer
    x = 441,644,091.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.