Home / 435,834,468.80-653,453,104.80-205,913,700.80

Finding the Fourth Proportional to 435,834,468.80, 653,453,104.80 and 205,913,700.80

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Solution

The fourth proportional to 435,834,468.80, 653,453,104.80 and 205,913,700.80 is: 308,729,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,834,468.80 : 653,453,104.80 = 205,913,700.80 : x
  2. Step 2: Convert to fraction form
    435,834,468.80/653,453,104.80 = 205,913,700.80/x
  3. Step 3: Cross multiply
    435,834,468.80x = 653,453,104.80 × 205,913,700.80
  4. Step 4: Simplify right side
    435,834,468.80x = 134,554,947,108,618,240
  5. Step 5: Solve for x
    x = 134,554,947,108,618,240/435,834,468.80
  6. Step 6: Final answer
    x = 308,729,475.85

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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.