Home / 411,036,653.20-616,554,979.80-104,328,766.08

Finding the Fourth Proportional to 411,036,653.20, 616,554,979.80 and 104,328,766.08

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Solution

The fourth proportional to 411,036,653.20, 616,554,979.80 and 104,328,766.08 is: 156,493,149.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,036,653.20 : 616,554,979.80 = 104,328,766.08 : x
  2. Step 2: Convert to fraction form
    411,036,653.20/616,554,979.80 = 104,328,766.08/x
  3. Step 3: Cross multiply
    411,036,653.20x = 616,554,979.80 × 104,328,766.08
  4. Step 4: Simplify right side
    411,036,653.20x = 64,324,420,263,013,320
  5. Step 5: Solve for x
    x = 64,324,420,263,013,320/411,036,653.20
  6. Step 6: Final answer
    x = 156,493,149.12

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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.