Home / 443,267,999.40-664,901,999.10-120,151,871.40

Finding the Fourth Proportional to 443,267,999.40, 664,901,999.10 and 120,151,871.40

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Solution

The fourth proportional to 443,267,999.40, 664,901,999.10 and 120,151,871.40 is: 180,227,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,267,999.40 : 664,901,999.10 = 120,151,871.40 : x
  2. Step 2: Convert to fraction form
    443,267,999.40/664,901,999.10 = 120,151,871.40/x
  3. Step 3: Cross multiply
    443,267,999.40x = 664,901,999.10 × 120,151,871.40
  4. Step 4: Simplify right side
    443,267,999.40x = 79,889,219,489,466,128
  5. Step 5: Solve for x
    x = 79,889,219,489,466,128/443,267,999.40
  6. Step 6: Final answer
    x = 180,227,807.10

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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.