Home / 314,616,694.44-434,196,887.76-173,515,512.72

Finding the Fourth Proportional to 314,616,694.44, 434,196,887.76 and 173,515,512.72

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Solution

The fourth proportional to 314,616,694.44, 434,196,887.76 and 173,515,512.72 is: 239,465,663.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,616,694.44 : 434,196,887.76 = 173,515,512.72 : x
  2. Step 2: Convert to fraction form
    314,616,694.44/434,196,887.76 = 173,515,512.72/x
  3. Step 3: Cross multiply
    314,616,694.44x = 434,196,887.76 × 173,515,512.72
  4. Step 4: Simplify right side
    314,616,694.44x = 75,339,895,601,104,688
  5. Step 5: Solve for x
    x = 75,339,895,601,104,688/314,616,694.44
  6. Step 6: Final answer
    x = 239,465,663.88

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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.