Home / 438,501,086.16-657,536,395.28-216,916,408.22

Finding the Fourth Proportional to 438,501,086.16, 657,536,395.28 and 216,916,408.22

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Solution

The fourth proportional to 438,501,086.16, 657,536,395.28 and 216,916,408.22 is: 325,268,141.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,501,086.16 : 657,536,395.28 = 216,916,408.22 : x
  2. Step 2: Convert to fraction form
    438,501,086.16/657,536,395.28 = 216,916,408.22/x
  3. Step 3: Cross multiply
    438,501,086.16x = 657,536,395.28 × 216,916,408.22
  4. Step 4: Simplify right side
    438,501,086.16x = 142,630,433,138,063,760
  5. Step 5: Solve for x
    x = 142,630,433,138,063,760/438,501,086.16
  6. Step 6: Final answer
    x = 325,268,141.04

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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.