Home / 18,245,864,167.84-25,179,292,544.40-9,901,531,879.84

Finding the Fourth Proportional to 18,245,864,167.84, 25,179,292,544.40 and 9,901,531,879.84

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Solution

The fourth proportional to 18,245,864,167.84, 25,179,292,544.40 and 9,901,531,879.84 is: 13,664,113,990.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245,864,167.84 : 25,179,292,544.40 = 9,901,531,879.84 : x
  2. Step 2: Convert to fraction form
    18,245,864,167.84/25,179,292,544.40 = 9,901,531,879.84/x
  3. Step 3: Cross multiply
    18,245,864,167.84x = 25,179,292,544.40 × 9,901,531,879.84
  4. Step 4: Simplify right side
    18,245,864,167.84x = 249,313,567,840,194,232,320
  5. Step 5: Solve for x
    x = 249,313,567,840,194,232,320/18,245,864,167.84
  6. Step 6: Final answer
    x = 13,664,113,990.26

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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.