Home / 1,265,867,977.78-1,746,897,809.35-708,951,024.84

Finding the Fourth Proportional to 1,265,867,977.78, 1,746,897,809.35 and 708,951,024.84

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Solution

The fourth proportional to 1,265,867,977.78, 1,746,897,809.35 and 708,951,024.84 is: 978,352,414.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,867,977.78 : 1,746,897,809.35 = 708,951,024.84 : x
  2. Step 2: Convert to fraction form
    1,265,867,977.78/1,746,897,809.35 = 708,951,024.84/x
  3. Step 3: Cross multiply
    1,265,867,977.78x = 1,746,897,809.35 × 708,951,024.84
  4. Step 4: Simplify right side
    1,265,867,977.78x = 1,238,464,992,223,738,880
  5. Step 5: Solve for x
    x = 1,238,464,992,223,738,880/1,265,867,977.78
  6. Step 6: Final answer
    x = 978,352,414.29

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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.