Home / 443,232,463.80-664,848,695.70-120,116,335.80

Finding the Fourth Proportional to 443,232,463.80, 664,848,695.70 and 120,116,335.80

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Solution

The fourth proportional to 443,232,463.80, 664,848,695.70 and 120,116,335.80 is: 180,174,503.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,232,463.80 : 664,848,695.70 = 120,116,335.80 : x
  2. Step 2: Convert to fraction form
    443,232,463.80/664,848,695.70 = 120,116,335.80/x
  3. Step 3: Cross multiply
    443,232,463.80x = 664,848,695.70 × 120,116,335.80
  4. Step 4: Simplify right side
    443,232,463.80x = 79,859,189,188,893,216
  5. Step 5: Solve for x
    x = 79,859,189,188,893,216/443,232,463.80
  6. Step 6: Final answer
    x = 180,174,503.70

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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.