Home / 18,448,634,638.98-25,459,140,353.36-9,990,473,003.18

Finding the Fourth Proportional to 18,448,634,638.98, 25,459,140,353.36 and 9,990,473,003.18

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Solution

The fourth proportional to 18,448,634,638.98, 25,459,140,353.36 and 9,990,473,003.18 is: 13,786,866,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448,634,638.98 : 25,459,140,353.36 = 9,990,473,003.18 : x
  2. Step 2: Convert to fraction form
    18,448,634,638.98/25,459,140,353.36 = 9,990,473,003.18/x
  3. Step 3: Cross multiply
    18,448,634,638.98x = 25,459,140,353.36 × 9,990,473,003.18
  4. Step 4: Simplify right side
    18,448,634,638.98x = 254,348,854,384,413,605,888
  5. Step 5: Solve for x
    x = 254,348,854,384,413,605,888/18,448,634,638.98
  6. Step 6: Final answer
    x = 13,786,866,039.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.