Home / 385,887,044.64-578,505,162.80-167,372,808.42

Finding the Fourth Proportional to 385,887,044.64, 578,505,162.80 and 167,372,808.42

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Solution

The fourth proportional to 385,887,044.64, 578,505,162.80 and 167,372,808.42 is: 250,918,073.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,887,044.64 : 578,505,162.80 = 167,372,808.42 : x
  2. Step 2: Convert to fraction form
    385,887,044.64/578,505,162.80 = 167,372,808.42/x
  3. Step 3: Cross multiply
    385,887,044.64x = 578,505,162.80 × 167,372,808.42
  4. Step 4: Simplify right side
    385,887,044.64x = 96,826,033,783,305,296
  5. Step 5: Solve for x
    x = 96,826,033,783,305,296/385,887,044.64
  6. Step 6: Final answer
    x = 250,918,073.38

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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.