Home / 903,220,261.13-1,354,895,690.12-378,061,194.74

Finding the Fourth Proportional to 903,220,261.13, 1,354,895,690.12 and 378,061,194.74

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Solution

The fourth proportional to 903,220,261.13, 1,354,895,690.12 and 378,061,194.74 is: 567,119,124.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,220,261.13 : 1,354,895,690.12 = 378,061,194.74 : x
  2. Step 2: Convert to fraction form
    903,220,261.13/1,354,895,690.12 = 378,061,194.74/x
  3. Step 3: Cross multiply
    903,220,261.13x = 1,354,895,690.12 × 378,061,194.74
  4. Step 4: Simplify right side
    903,220,261.13x = 512,233,483,346,179,264
  5. Step 5: Solve for x
    x = 512,233,483,346,179,264/903,220,261.13
  6. Step 6: Final answer
    x = 567,119,124.09

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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.