Home / 20,691,935,999.80-31,037,903,999.70-9,651,568,089.40

Finding the Fourth Proportional to 20,691,935,999.80, 31,037,903,999.70 and 9,651,568,089.40

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Solution

The fourth proportional to 20,691,935,999.80, 31,037,903,999.70 and 9,651,568,089.40 is: 14,477,352,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,691,935,999.80 : 31,037,903,999.70 = 9,651,568,089.40 : x
  2. Step 2: Convert to fraction form
    20,691,935,999.80/31,037,903,999.70 = 9,651,568,089.40/x
  3. Step 3: Cross multiply
    20,691,935,999.80x = 31,037,903,999.70 × 9,651,568,089.40
  4. Step 4: Simplify right side
    20,691,935,999.80x = 299,564,443,805,365,174,272
  5. Step 5: Solve for x
    x = 299,564,443,805,365,174,272/20,691,935,999.80
  6. Step 6: Final answer
    x = 14,477,352,134.10

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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.