Home / 411,036,646.20-616,554,969.30-104,328,759.08

Finding the Fourth Proportional to 411,036,646.20, 616,554,969.30 and 104,328,759.08

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Solution

The fourth proportional to 411,036,646.20, 616,554,969.30 and 104,328,759.08 is: 156,493,138.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,036,646.20 : 616,554,969.30 = 104,328,759.08 : x
  2. Step 2: Convert to fraction form
    411,036,646.20/616,554,969.30 = 104,328,759.08/x
  3. Step 3: Cross multiply
    411,036,646.20x = 616,554,969.30 × 104,328,759.08
  4. Step 4: Simplify right side
    411,036,646.20x = 64,324,414,851,676,488
  5. Step 5: Solve for x
    x = 64,324,414,851,676,488/411,036,646.20
  6. Step 6: Final answer
    x = 156,493,138.62

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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.