Home / 385,129,997.02-577,673,650.41-281,605,290.22

Finding the Fourth Proportional to 385,129,997.02, 577,673,650.41 and 281,605,290.22

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Solution

The fourth proportional to 385,129,997.02, 577,673,650.41 and 281,605,290.22 is: 422,392,327.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,129,997.02 : 577,673,650.41 = 281,605,290.22 : x
  2. Step 2: Convert to fraction form
    385,129,997.02/577,673,650.41 = 281,605,290.22/x
  3. Step 3: Cross multiply
    385,129,997.02x = 577,673,650.41 × 281,605,290.22
  4. Step 4: Simplify right side
    385,129,997.02x = 162,675,955,977,406,400
  5. Step 5: Solve for x
    x = 162,675,955,977,406,400/385,129,997.02
  6. Step 6: Final answer
    x = 422,392,327.88

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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.