Home / 198,813,192,423.52-298,220,903,494.98-66,315,021,443.68

Finding the Fourth Proportional to 198,813,192,423.52, 298,220,903,494.98 and 66,315,021,443.68

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Solution

The fourth proportional to 198,813,192,423.52, 298,220,903,494.98 and 66,315,021,443.68 is: 99,472,904,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,813,192,423.52 : 298,220,903,494.98 = 66,315,021,443.68 : x
  2. Step 2: Convert to fraction form
    198,813,192,423.52/298,220,903,494.98 = 66,315,021,443.68/x
  3. Step 3: Cross multiply
    198,813,192,423.52x = 298,220,903,494.98 × 66,315,021,443.68
  4. Step 4: Simplify right side
    198,813,192,423.52x = 19,776,525,610,223,222,652,928
  5. Step 5: Solve for x
    x = 19,776,525,610,223,222,652,928/198,813,192,423.52
  6. Step 6: Final answer
    x = 99,472,904,031.91

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1.5x scale

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.