Home / 414,881,421.90-622,353,625.65-123,725,820.30

Finding the Fourth Proportional to 414,881,421.90, 622,353,625.65 and 123,725,820.30

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Solution

The fourth proportional to 414,881,421.90, 622,353,625.65 and 123,725,820.30 is: 185,598,122.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,881,421.90 : 622,353,625.65 = 123,725,820.30 : x
  2. Step 2: Convert to fraction form
    414,881,421.90/622,353,625.65 = 123,725,820.30/x
  3. Step 3: Cross multiply
    414,881,421.90x = 622,353,625.65 × 123,725,820.30
  4. Step 4: Simplify right side
    414,881,421.90x = 77,001,212,850,225,360
  5. Step 5: Solve for x
    x = 77,001,212,850,225,360/414,881,421.90
  6. Step 6: Final answer
    x = 185,598,122.22

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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.