Home / 385,762,951-532,353,079.74-211,933,892.44

Finding the Fourth Proportional to 385,762,951, 532,353,079.74 and 211,933,892.44

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Solution

The fourth proportional to 385,762,951, 532,353,079.74 and 211,933,892.44 is: 292,468,885.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,762,951 : 532,353,079.74 = 211,933,892.44 : x
  2. Step 2: Convert to fraction form
    385,762,951/532,353,079.74 = 211,933,892.44/x
  3. Step 3: Cross multiply
    385,762,951x = 532,353,079.74 × 211,933,892.44
  4. Step 4: Simplify right side
    385,762,951x = 112,823,660,341,719,904
  5. Step 5: Solve for x
    x = 112,823,660,341,719,904/385,762,951
  6. Step 6: Final answer
    x = 292,468,885.49

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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.