Home / 2,178,254,405.20-3,267,381,607.80-542,479,007.20

Finding the Fourth Proportional to 2,178,254,405.20, 3,267,381,607.80 and 542,479,007.20

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Solution

The fourth proportional to 2,178,254,405.20, 3,267,381,607.80 and 542,479,007.20 is: 813,718,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,254,405.20 : 3,267,381,607.80 = 542,479,007.20 : x
  2. Step 2: Convert to fraction form
    2,178,254,405.20/3,267,381,607.80 = 542,479,007.20/x
  3. Step 3: Cross multiply
    2,178,254,405.20x = 3,267,381,607.80 × 542,479,007.20
  4. Step 4: Simplify right side
    2,178,254,405.20x = 1,772,485,930,742,884,096
  5. Step 5: Solve for x
    x = 1,772,485,930,742,884,096/2,178,254,405.20
  6. Step 6: Final answer
    x = 813,718,510.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.