Home / 12,019,968,006.70-18,029,952,010.05-9,841,394,080.30

Finding the Fourth Proportional to 12,019,968,006.70, 18,029,952,010.05 and 9,841,394,080.30

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Solution

The fourth proportional to 12,019,968,006.70, 18,029,952,010.05 and 9,841,394,080.30 is: 14,762,091,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019,968,006.70 : 18,029,952,010.05 = 9,841,394,080.30 : x
  2. Step 2: Convert to fraction form
    12,019,968,006.70/18,029,952,010.05 = 9,841,394,080.30/x
  3. Step 3: Cross multiply
    12,019,968,006.70x = 18,029,952,010.05 × 9,841,394,080.30
  4. Step 4: Simplify right side
    12,019,968,006.70x = 177,439,862,979,799,121,920
  5. Step 5: Solve for x
    x = 177,439,862,979,799,121,920/12,019,968,006.70
  6. Step 6: Final answer
    x = 14,762,091,120.45

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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.