Home / 384,444,575.75-530,505,971.94-225,681,145.10

Finding the Fourth Proportional to 384,444,575.75, 530,505,971.94 and 225,681,145.10

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Solution

The fourth proportional to 384,444,575.75, 530,505,971.94 and 225,681,145.10 is: 311,423,811.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,444,575.75 : 530,505,971.94 = 225,681,145.10 : x
  2. Step 2: Convert to fraction form
    384,444,575.75/530,505,971.94 = 225,681,145.10/x
  3. Step 3: Cross multiply
    384,444,575.75x = 530,505,971.94 × 225,681,145.10
  4. Step 4: Simplify right side
    384,444,575.75x = 119,725,195,229,807,664
  5. Step 5: Solve for x
    x = 119,725,195,229,807,664/384,444,575.75
  6. Step 6: Final answer
    x = 311,423,811.86

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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.