Home / 317,640,350.22-438,356,861.55-176,511,043.50

Finding the Fourth Proportional to 317,640,350.22, 438,356,861.55 and 176,511,043.50

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Solution

The fourth proportional to 317,640,350.22, 438,356,861.55 and 176,511,043.50 is: 243,592,563.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,640,350.22 : 438,356,861.55 = 176,511,043.50 : x
  2. Step 2: Convert to fraction form
    317,640,350.22/438,356,861.55 = 176,511,043.50/x
  3. Step 3: Cross multiply
    317,640,350.22x = 438,356,861.55 × 176,511,043.50
  4. Step 4: Simplify right side
    317,640,350.22x = 77,374,827,057,575,536
  5. Step 5: Solve for x
    x = 77,374,827,057,575,536/317,640,350.22
  6. Step 6: Final answer
    x = 243,592,563.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.