Home / 383,454,165.40-574,047,507.30-361,031,291.80

Finding the Fourth Proportional to 383,454,165.40, 574,047,507.30 and 361,031,291.80

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Solution

The fourth proportional to 383,454,165.40, 574,047,507.30 and 361,031,291.80 is: 540,479,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,454,165.40 : 574,047,507.30 = 361,031,291.80 : x
  2. Step 2: Convert to fraction form
    383,454,165.40/574,047,507.30 = 361,031,291.80/x
  3. Step 3: Cross multiply
    383,454,165.40x = 574,047,507.30 × 361,031,291.80
  4. Step 4: Simplify right side
    383,454,165.40x = 207,249,113,115,088,928
  5. Step 5: Solve for x
    x = 207,249,113,115,088,928/383,454,165.40
  6. Step 6: Final answer
    x = 540,479,493.55

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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.