Home / 417,627,133.39-626,436,710.83-253,910,090.53

Finding the Fourth Proportional to 417,627,133.39, 626,436,710.83 and 253,910,090.53

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Solution

The fourth proportional to 417,627,133.39, 626,436,710.83 and 253,910,090.53 is: 380,862,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,627,133.39 : 626,436,710.83 = 253,910,090.53 : x
  2. Step 2: Convert to fraction form
    417,627,133.39/626,436,710.83 = 253,910,090.53/x
  3. Step 3: Cross multiply
    417,627,133.39x = 626,436,710.83 × 253,910,090.53
  4. Step 4: Simplify right side
    417,627,133.39x = 159,058,601,958,160,736
  5. Step 5: Solve for x
    x = 159,058,601,958,160,736/417,627,133.39
  6. Step 6: Final answer
    x = 380,862,710.40

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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.