Home / 443,718,204.40-665,577,306.60-213,631,807.60

Finding the Fourth Proportional to 443,718,204.40, 665,577,306.60 and 213,631,807.60

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Solution

The fourth proportional to 443,718,204.40, 665,577,306.60 and 213,631,807.60 is: 320,447,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,718,204.40 : 665,577,306.60 = 213,631,807.60 : x
  2. Step 2: Convert to fraction form
    443,718,204.40/665,577,306.60 = 213,631,807.60/x
  3. Step 3: Cross multiply
    443,718,204.40x = 665,577,306.60 × 213,631,807.60
  4. Step 4: Simplify right side
    443,718,204.40x = 142,188,483,106,497,408
  5. Step 5: Solve for x
    x = 142,188,483,106,497,408/443,718,204.40
  6. Step 6: Final answer
    x = 320,447,711.40

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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.