Home / 1,036,253,730.49-1,555,079,989.52-405,907,601.23

Finding the Fourth Proportional to 1,036,253,730.49, 1,555,079,989.52 and 405,907,601.23

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Solution

The fourth proportional to 1,036,253,730.49, 1,555,079,989.52 and 405,907,601.23 is: 609,135,359.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,253,730.49 : 1,555,079,989.52 = 405,907,601.23 : x
  2. Step 2: Convert to fraction form
    1,036,253,730.49/1,555,079,989.52 = 405,907,601.23/x
  3. Step 3: Cross multiply
    1,036,253,730.49x = 1,555,079,989.52 × 405,907,601.23
  4. Step 4: Simplify right side
    1,036,253,730.49x = 631,218,788,266,836,736
  5. Step 5: Solve for x
    x = 631,218,788,266,836,736/1,036,253,730.49
  6. Step 6: Final answer
    x = 609,135,359.13

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Double scale
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1.5x scale

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.