Home / 1,961,859,340.32-2,707,346,125.76-1,069,783,811.79

Finding the Fourth Proportional to 1,961,859,340.32, 2,707,346,125.76 and 1,069,783,811.79

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Solution

The fourth proportional to 1,961,859,340.32, 2,707,346,125.76 and 1,069,783,811.79 is: 1,476,290,883.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,859,340.32 : 2,707,346,125.76 = 1,069,783,811.79 : x
  2. Step 2: Convert to fraction form
    1,961,859,340.32/2,707,346,125.76 = 1,069,783,811.79/x
  3. Step 3: Cross multiply
    1,961,859,340.32x = 2,707,346,125.76 × 1,069,783,811.79
  4. Step 4: Simplify right side
    1,961,859,340.32x = 2,896,275,058,245,072,384
  5. Step 5: Solve for x
    x = 2,896,275,058,245,072,384/1,961,859,340.32
  6. Step 6: Final answer
    x = 1,476,290,883.21

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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.