Home / 328,290,513.52-492,571,422.60-143,962,610.80

Finding the Fourth Proportional to 328,290,513.52, 492,571,422.60 and 143,962,610.80

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Solution

The fourth proportional to 328,290,513.52, 492,571,422.60 and 143,962,610.80 is: 216,003,402.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,290,513.52 : 492,571,422.60 = 143,962,610.80 : x
  2. Step 2: Convert to fraction form
    328,290,513.52/492,571,422.60 = 143,962,610.80/x
  3. Step 3: Cross multiply
    328,290,513.52x = 492,571,422.60 × 143,962,610.80
  4. Step 4: Simplify right side
    328,290,513.52x = 70,911,868,002,966,136
  5. Step 5: Solve for x
    x = 70,911,868,002,966,136/328,290,513.52
  6. Step 6: Final answer
    x = 216,003,402.73

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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.