Home / 397,271,406.40-595,900,154.40-178,767,102.40

Finding the Fourth Proportional to 397,271,406.40, 595,900,154.40 and 178,767,102.40

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Solution

The fourth proportional to 397,271,406.40, 595,900,154.40 and 178,767,102.40 is: 268,147,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,271,406.40 : 595,900,154.40 = 178,767,102.40 : x
  2. Step 2: Convert to fraction form
    397,271,406.40/595,900,154.40 = 178,767,102.40/x
  3. Step 3: Cross multiply
    397,271,406.40x = 595,900,154.40 × 178,767,102.40
  4. Step 4: Simplify right side
    397,271,406.40x = 106,527,343,921,800,608
  5. Step 5: Solve for x
    x = 106,527,343,921,800,608/397,271,406.40
  6. Step 6: Final answer
    x = 268,147,523.85

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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.