Home / 899,760,133.57-1,241,368,260.92-523,336,815.38

Finding the Fourth Proportional to 899,760,133.57, 1,241,368,260.92 and 523,336,815.38

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Solution

The fourth proportional to 899,760,133.57, 1,241,368,260.92 and 523,336,815.38 is: 722,029,892.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,760,133.57 : 1,241,368,260.92 = 523,336,815.38 : x
  2. Step 2: Convert to fraction form
    899,760,133.57/1,241,368,260.92 = 523,336,815.38/x
  3. Step 3: Cross multiply
    899,760,133.57x = 1,241,368,260.92 × 523,336,815.38
  4. Step 4: Simplify right side
    899,760,133.57x = 649,653,712,386,571,648
  5. Step 5: Solve for x
    x = 649,653,712,386,571,648/899,760,133.57
  6. Step 6: Final answer
    x = 722,029,892.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.