Home / 548,101,428.76-756,310,278.90-313,167,298.60

Finding the Fourth Proportional to 548,101,428.76, 756,310,278.90 and 313,167,298.60

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Solution

The fourth proportional to 548,101,428.76, 756,310,278.90 and 313,167,298.60 is: 432,131,051.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,101,428.76 : 756,310,278.90 = 313,167,298.60 : x
  2. Step 2: Convert to fraction form
    548,101,428.76/756,310,278.90 = 313,167,298.60/x
  3. Step 3: Cross multiply
    548,101,428.76x = 756,310,278.90 × 313,167,298.60
  4. Step 4: Simplify right side
    548,101,428.76x = 236,851,646,946,525,600
  5. Step 5: Solve for x
    x = 236,851,646,946,525,600/548,101,428.76
  6. Step 6: Final answer
    x = 432,131,051.88

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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.