Home / 1,414,058,705.05-1,951,324,288.63-778,855,621.27

Finding the Fourth Proportional to 1,414,058,705.05, 1,951,324,288.63 and 778,855,621.27

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Solution

The fourth proportional to 1,414,058,705.05, 1,951,324,288.63 and 778,855,621.27 is: 1,074,778,498.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,058,705.05 : 1,951,324,288.63 = 778,855,621.27 : x
  2. Step 2: Convert to fraction form
    1,414,058,705.05/1,951,324,288.63 = 778,855,621.27/x
  3. Step 3: Cross multiply
    1,414,058,705.05x = 1,951,324,288.63 × 778,855,621.27
  4. Step 4: Simplify right side
    1,414,058,705.05x = 1,519,799,891,120,159,488
  5. Step 5: Solve for x
    x = 1,519,799,891,120,159,488/1,414,058,705.05
  6. Step 6: Final answer
    x = 1,074,778,498.02

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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.