Home / 402,969,720.20-603,446,810.70-322,348,152.20

Finding the Fourth Proportional to 402,969,720.20, 603,446,810.70 and 322,348,152.20

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Solution

The fourth proportional to 402,969,720.20, 603,446,810.70 and 322,348,152.20 is: 482,716,081.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,969,720.20 : 603,446,810.70 = 322,348,152.20 : x
  2. Step 2: Convert to fraction form
    402,969,720.20/603,446,810.70 = 322,348,152.20/x
  3. Step 3: Cross multiply
    402,969,720.20x = 603,446,810.70 × 322,348,152.20
  4. Step 4: Simplify right side
    402,969,720.20x = 194,519,964,380,128,192
  5. Step 5: Solve for x
    x = 194,519,964,380,128,192/402,969,720.20
  6. Step 6: Final answer
    x = 482,716,081.70

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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.