Home / 438,512,349.90-657,851,483.22-176,217,319.44

Finding the Fourth Proportional to 438,512,349.90, 657,851,483.22 and 176,217,319.44

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Solution

The fourth proportional to 438,512,349.90, 657,851,483.22 and 176,217,319.44 is: 264,359,316.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,512,349.90 : 657,851,483.22 = 176,217,319.44 : x
  2. Step 2: Convert to fraction form
    438,512,349.90/657,851,483.22 = 176,217,319.44/x
  3. Step 3: Cross multiply
    438,512,349.90x = 657,851,483.22 × 176,217,319.44
  4. Step 4: Simplify right side
    438,512,349.90x = 115,924,824,962,656,544
  5. Step 5: Solve for x
    x = 115,924,824,962,656,544/438,512,349.90
  6. Step 6: Final answer
    x = 264,359,316.20

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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.