Home / 18,448,634,636.98-25,459,140,350.60-9,990,473,001.19

Finding the Fourth Proportional to 18,448,634,636.98, 25,459,140,350.60 and 9,990,473,001.19

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Solution

The fourth proportional to 18,448,634,636.98, 25,459,140,350.60 and 9,990,473,001.19 is: 13,786,866,037.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448,634,636.98 : 25,459,140,350.60 = 9,990,473,001.19 : x
  2. Step 2: Convert to fraction form
    18,448,634,636.98/25,459,140,350.60 = 9,990,473,001.19/x
  3. Step 3: Cross multiply
    18,448,634,636.98x = 25,459,140,350.60 × 9,990,473,001.19
  4. Step 4: Simplify right side
    18,448,634,636.98x = 254,348,854,306,142,552,064
  5. Step 5: Solve for x
    x = 254,348,854,306,142,552,064/18,448,634,636.98
  6. Step 6: Final answer
    x = 13,786,866,037.03

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Double scale
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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.