Home / 528,486,424.31-792,831,724.41-200,936,469.71

Finding the Fourth Proportional to 528,486,424.31, 792,831,724.41 and 200,936,469.71

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Solution

The fourth proportional to 528,486,424.31, 792,831,724.41 and 200,936,469.71 is: 301,443,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,486,424.31 : 792,831,724.41 = 200,936,469.71 : x
  2. Step 2: Convert to fraction form
    528,486,424.31/792,831,724.41 = 200,936,469.71/x
  3. Step 3: Cross multiply
    528,486,424.31x = 792,831,724.41 × 200,936,469.71
  4. Step 4: Simplify right side
    528,486,424.31x = 159,308,807,777,037,024
  5. Step 5: Solve for x
    x = 159,308,807,777,037,024/528,486,424.31
  6. Step 6: Final answer
    x = 301,443,519.55

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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.