Home / 1,178,079,635.21-1,625,754,824.22-649,432,017.41

Finding the Fourth Proportional to 1,178,079,635.21, 1,625,754,824.22 and 649,432,017.41

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Solution

The fourth proportional to 1,178,079,635.21, 1,625,754,824.22 and 649,432,017.41 is: 896,218,900.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,079,635.21 : 1,625,754,824.22 = 649,432,017.41 : x
  2. Step 2: Convert to fraction form
    1,178,079,635.21/1,625,754,824.22 = 649,432,017.41/x
  3. Step 3: Cross multiply
    1,178,079,635.21x = 1,625,754,824.22 × 649,432,017.41
  4. Step 4: Simplify right side
    1,178,079,635.21x = 1,055,817,235,299,105,664
  5. Step 5: Solve for x
    x = 1,055,817,235,299,105,664/1,178,079,635.21
  6. Step 6: Final answer
    x = 896,218,900.44

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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.