Home / 279,468,652.68-385,669,353.24-154,025,326.44

Finding the Fourth Proportional to 279,468,652.68, 385,669,353.24 and 154,025,326.44

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Solution

The fourth proportional to 279,468,652.68, 385,669,353.24 and 154,025,326.44 is: 212,556,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,468,652.68 : 385,669,353.24 = 154,025,326.44 : x
  2. Step 2: Convert to fraction form
    279,468,652.68/385,669,353.24 = 154,025,326.44/x
  3. Step 3: Cross multiply
    279,468,652.68x = 385,669,353.24 × 154,025,326.44
  4. Step 4: Simplify right side
    279,468,652.68x = 59,402,848,030,694,672
  5. Step 5: Solve for x
    x = 59,402,848,030,694,672/279,468,652.68
  6. Step 6: Final answer
    x = 212,556,390.35

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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.