Home / 439,096,453.85-658,574,006.16-128,131,060.01

Finding the Fourth Proportional to 439,096,453.85, 658,574,006.16 and 128,131,060.01

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Solution

The fourth proportional to 439,096,453.85, 658,574,006.16 and 128,131,060.01 is: 192,175,966.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,096,453.85 : 658,574,006.16 = 128,131,060.01 : x
  2. Step 2: Convert to fraction form
    439,096,453.85/658,574,006.16 = 128,131,060.01/x
  3. Step 3: Cross multiply
    439,096,453.85x = 658,574,006.16 × 128,131,060.01
  4. Step 4: Simplify right side
    439,096,453.85x = 84,383,785,506,697,728
  5. Step 5: Solve for x
    x = 84,383,785,506,697,728/439,096,453.85
  6. Step 6: Final answer
    x = 192,175,966.73

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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.