Home / 20,472,426,939.60-30,708,640,409.40-16,982,772,757.20

Finding the Fourth Proportional to 20,472,426,939.60, 30,708,640,409.40 and 16,982,772,757.20

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Solution

The fourth proportional to 20,472,426,939.60, 30,708,640,409.40 and 16,982,772,757.20 is: 25,474,159,135.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,472,426,939.60 : 30,708,640,409.40 = 16,982,772,757.20 : x
  2. Step 2: Convert to fraction form
    20,472,426,939.60/30,708,640,409.40 = 16,982,772,757.20/x
  3. Step 3: Cross multiply
    20,472,426,939.60x = 30,708,640,409.40 × 16,982,772,757.20
  4. Step 4: Simplify right side
    20,472,426,939.60x = 521,517,861,755,409,399,808
  5. Step 5: Solve for x
    x = 521,517,861,755,409,399,808/20,472,426,939.60
  6. Step 6: Final answer
    x = 25,474,159,135.80

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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.