Home / 1,920,569,693.76-2,650,398,901.92-1,040,503,398.08

Finding the Fourth Proportional to 1,920,569,693.76, 2,650,398,901.92 and 1,040,503,398.08

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Solution

The fourth proportional to 1,920,569,693.76, 2,650,398,901.92 and 1,040,503,398.08 is: 1,435,901,583.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,569,693.76 : 2,650,398,901.92 = 1,040,503,398.08 : x
  2. Step 2: Convert to fraction form
    1,920,569,693.76/2,650,398,901.92 = 1,040,503,398.08/x
  3. Step 3: Cross multiply
    1,920,569,693.76x = 2,650,398,901.92 × 1,040,503,398.08
  4. Step 4: Simplify right side
    1,920,569,693.76x = 2,757,749,063,715,260,928
  5. Step 5: Solve for x
    x = 2,757,749,063,715,260,928/1,920,569,693.76
  6. Step 6: Final answer
    x = 1,435,901,583.10

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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.