Home / 1,912,328,376.92-2,639,018,625.96-1,108,712,048.48

Finding the Fourth Proportional to 1,912,328,376.92, 2,639,018,625.96 and 1,108,712,048.48

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Solution

The fourth proportional to 1,912,328,376.92, 2,639,018,625.96 and 1,108,712,048.48 is: 1,530,025,795.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,328,376.92 : 2,639,018,625.96 = 1,108,712,048.48 : x
  2. Step 2: Convert to fraction form
    1,912,328,376.92/2,639,018,625.96 = 1,108,712,048.48/x
  3. Step 3: Cross multiply
    1,912,328,376.92x = 2,639,018,625.96 × 1,108,712,048.48
  4. Step 4: Simplify right side
    1,912,328,376.92x = 2,925,911,746,764,986,368
  5. Step 5: Solve for x
    x = 2,925,911,746,764,986,368/1,912,328,376.92
  6. Step 6: Final answer
    x = 1,530,025,795.82

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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.