Home / 609,092,960.40-840,549,351.60-330,634,672.56

Finding the Fourth Proportional to 609,092,960.40, 840,549,351.60 and 330,634,672.56

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Solution

The fourth proportional to 609,092,960.40, 840,549,351.60 and 330,634,672.56 is: 456,276,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,092,960.40 : 840,549,351.60 = 330,634,672.56 : x
  2. Step 2: Convert to fraction form
    609,092,960.40/840,549,351.60 = 330,634,672.56/x
  3. Step 3: Cross multiply
    609,092,960.40x = 840,549,351.60 × 330,634,672.56
  4. Step 4: Simplify right side
    609,092,960.40x = 277,914,759,636,786,336
  5. Step 5: Solve for x
    x = 277,914,759,636,786,336/609,092,960.40
  6. Step 6: Final answer
    x = 456,276,426.93

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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.