Home / 383,432,812.40-575,149,218.60-322,210,809.20

Finding the Fourth Proportional to 383,432,812.40, 575,149,218.60 and 322,210,809.20

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Solution

The fourth proportional to 383,432,812.40, 575,149,218.60 and 322,210,809.20 is: 483,316,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,432,812.40 : 575,149,218.60 = 322,210,809.20 : x
  2. Step 2: Convert to fraction form
    383,432,812.40/575,149,218.60 = 322,210,809.20/x
  3. Step 3: Cross multiply
    383,432,812.40x = 575,149,218.60 × 322,210,809.20
  4. Step 4: Simplify right side
    383,432,812.40x = 185,319,295,135,853,696
  5. Step 5: Solve for x
    x = 185,319,295,135,853,696/383,432,812.40
  6. Step 6: Final answer
    x = 483,316,213.80

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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.