Home / 528,486,425.31-792,831,725.91-200,936,470.71

Finding the Fourth Proportional to 528,486,425.31, 792,831,725.91 and 200,936,470.71

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Solution

The fourth proportional to 528,486,425.31, 792,831,725.91 and 200,936,470.71 is: 301,443,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,486,425.31 : 792,831,725.91 = 200,936,470.71 : x
  2. Step 2: Convert to fraction form
    528,486,425.31/792,831,725.91 = 200,936,470.71/x
  3. Step 3: Cross multiply
    528,486,425.31x = 792,831,725.91 × 200,936,470.71
  4. Step 4: Simplify right side
    528,486,425.31x = 159,308,808,871,273,472
  5. Step 5: Solve for x
    x = 159,308,808,871,273,472/528,486,425.31
  6. Step 6: Final answer
    x = 301,443,521.05

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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.