Home / 435,629,267.80-653,443,901.70-336,993,818.20

Finding the Fourth Proportional to 435,629,267.80, 653,443,901.70 and 336,993,818.20

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Solution

The fourth proportional to 435,629,267.80, 653,443,901.70 and 336,993,818.20 is: 505,490,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,629,267.80 : 653,443,901.70 = 336,993,818.20 : x
  2. Step 2: Convert to fraction form
    435,629,267.80/653,443,901.70 = 336,993,818.20/x
  3. Step 3: Cross multiply
    435,629,267.80x = 653,443,901.70 × 336,993,818.20
  4. Step 4: Simplify right side
    435,629,267.80x = 220,206,555,413,388,480
  5. Step 5: Solve for x
    x = 220,206,555,413,388,480/435,629,267.80
  6. Step 6: Final answer
    x = 505,490,727.30

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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.