Home / 383,454,164.40-574,047,505.80-361,031,290.80

Finding the Fourth Proportional to 383,454,164.40, 574,047,505.80 and 361,031,290.80

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Solution

The fourth proportional to 383,454,164.40, 574,047,505.80 and 361,031,290.80 is: 540,479,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,454,164.40 : 574,047,505.80 = 361,031,290.80 : x
  2. Step 2: Convert to fraction form
    383,454,164.40/574,047,505.80 = 361,031,290.80/x
  3. Step 3: Cross multiply
    383,454,164.40x = 574,047,505.80 × 361,031,290.80
  4. Step 4: Simplify right side
    383,454,164.40x = 207,249,111,999,494,464
  5. Step 5: Solve for x
    x = 207,249,111,999,494,464/383,454,164.40
  6. Step 6: Final answer
    x = 540,479,492.05

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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.