Home / 438,512,338.83-657,851,466.62-176,217,308.37

Finding the Fourth Proportional to 438,512,338.83, 657,851,466.62 and 176,217,308.37

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Solution

The fourth proportional to 438,512,338.83, 657,851,466.62 and 176,217,308.37 is: 264,359,299.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,512,338.83 : 657,851,466.62 = 176,217,308.37 : x
  2. Step 2: Convert to fraction form
    438,512,338.83/657,851,466.62 = 176,217,308.37/x
  3. Step 3: Cross multiply
    438,512,338.83x = 657,851,466.62 × 176,217,308.37
  4. Step 4: Simplify right side
    438,512,338.83x = 115,924,814,754,152,224
  5. Step 5: Solve for x
    x = 115,924,814,754,152,224/438,512,338.83
  6. Step 6: Final answer
    x = 264,359,299.59

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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.