Home / 383,429,975.40-575,144,963.10-322,207,972.20

Finding the Fourth Proportional to 383,429,975.40, 575,144,963.10 and 322,207,972.20

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Solution

The fourth proportional to 383,429,975.40, 575,144,963.10 and 322,207,972.20 is: 483,311,958.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,429,975.40 : 575,144,963.10 = 322,207,972.20 : x
  2. Step 2: Convert to fraction form
    383,429,975.40/575,144,963.10 = 322,207,972.20/x
  3. Step 3: Cross multiply
    383,429,975.40x = 575,144,963.10 × 322,207,972.20
  4. Step 4: Simplify right side
    383,429,975.40x = 185,316,292,281,494,816
  5. Step 5: Solve for x
    x = 185,316,292,281,494,816/383,429,975.40
  6. Step 6: Final answer
    x = 483,311,958.30

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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.