Home / 554,487,331.60-831,730,997.40-145,584,816.40

Finding the Fourth Proportional to 554,487,331.60, 831,730,997.40 and 145,584,816.40

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Solution

The fourth proportional to 554,487,331.60, 831,730,997.40 and 145,584,816.40 is: 218,377,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,487,331.60 : 831,730,997.40 = 145,584,816.40 : x
  2. Step 2: Convert to fraction form
    554,487,331.60/831,730,997.40 = 145,584,816.40/x
  3. Step 3: Cross multiply
    554,487,331.60x = 831,730,997.40 × 145,584,816.40
  4. Step 4: Simplify right side
    554,487,331.60x = 121,087,404,550,667,872
  5. Step 5: Solve for x
    x = 121,087,404,550,667,872/554,487,331.60
  6. Step 6: Final answer
    x = 218,377,224.60

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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.