Home / 314,927,998.60-472,391,997.90-222,213,195.40

Finding the Fourth Proportional to 314,927,998.60, 472,391,997.90 and 222,213,195.40

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Solution

The fourth proportional to 314,927,998.60, 472,391,997.90 and 222,213,195.40 is: 333,319,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,927,998.60 : 472,391,997.90 = 222,213,195.40 : x
  2. Step 2: Convert to fraction form
    314,927,998.60/472,391,997.90 = 222,213,195.40/x
  3. Step 3: Cross multiply
    314,927,998.60x = 472,391,997.90 × 222,213,195.40
  4. Step 4: Simplify right side
    314,927,998.60x = 104,971,735,334,749,088
  5. Step 5: Solve for x
    x = 104,971,735,334,749,088/314,927,998.60
  6. Step 6: Final answer
    x = 333,319,793.10

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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.