Home / 903,220,254.12-1,354,895,679.59-378,061,187.70

Finding the Fourth Proportional to 903,220,254.12, 1,354,895,679.59 and 378,061,187.70

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Solution

The fourth proportional to 903,220,254.12, 1,354,895,679.59 and 378,061,187.70 is: 567,119,113.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,220,254.12 : 1,354,895,679.59 = 378,061,187.70 : x
  2. Step 2: Convert to fraction form
    903,220,254.12/1,354,895,679.59 = 378,061,187.70/x
  3. Step 3: Cross multiply
    903,220,254.12x = 1,354,895,679.59 × 378,061,187.70
  4. Step 4: Simplify right side
    903,220,254.12x = 512,233,469,833,503,744
  5. Step 5: Solve for x
    x = 512,233,469,833,503,744/903,220,254.12
  6. Step 6: Final answer
    x = 567,119,113.52

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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.