Home / 1,178,079,722.28-1,625,754,944.16-649,432,104.48

Finding the Fourth Proportional to 1,178,079,722.28, 1,625,754,944.16 and 649,432,104.48

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Solution

The fourth proportional to 1,178,079,722.28, 1,625,754,944.16 and 649,432,104.48 is: 896,219,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,079,722.28 : 1,625,754,944.16 = 649,432,104.48 : x
  2. Step 2: Convert to fraction form
    1,178,079,722.28/1,625,754,944.16 = 649,432,104.48/x
  3. Step 3: Cross multiply
    1,178,079,722.28x = 1,625,754,944.16 × 649,432,104.48
  4. Step 4: Simplify right side
    1,178,079,722.28x = 1,055,817,454,754,593,792
  5. Step 5: Solve for x
    x = 1,055,817,454,754,593,792/1,178,079,722.28
  6. Step 6: Final answer
    x = 896,219,020.48

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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.