Home / 399,181,856.60-598,772,784.90-226,591,981.40

Finding the Fourth Proportional to 399,181,856.60, 598,772,784.90 and 226,591,981.40

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Solution

The fourth proportional to 399,181,856.60, 598,772,784.90 and 226,591,981.40 is: 339,887,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,181,856.60 : 598,772,784.90 = 226,591,981.40 : x
  2. Step 2: Convert to fraction form
    399,181,856.60/598,772,784.90 = 226,591,981.40/x
  3. Step 3: Cross multiply
    399,181,856.60x = 598,772,784.90 × 226,591,981.40
  4. Step 4: Simplify right side
    399,181,856.60x = 135,677,111,738,886,992
  5. Step 5: Solve for x
    x = 135,677,111,738,886,992/399,181,856.60
  6. Step 6: Final answer
    x = 339,887,972.10

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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.