Home / 12,251,063,048.40-18,376,594,572.60-11,978,965,256.40

Finding the Fourth Proportional to 12,251,063,048.40, 18,376,594,572.60 and 11,978,965,256.40

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Solution

The fourth proportional to 12,251,063,048.40, 18,376,594,572.60 and 11,978,965,256.40 is: 17,968,447,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251,063,048.40 : 18,376,594,572.60 = 11,978,965,256.40 : x
  2. Step 2: Convert to fraction form
    12,251,063,048.40/18,376,594,572.60 = 11,978,965,256.40/x
  3. Step 3: Cross multiply
    12,251,063,048.40x = 18,376,594,572.60 × 11,978,965,256.40
  4. Step 4: Simplify right side
    12,251,063,048.40x = 220,132,587,916,124,192,768
  5. Step 5: Solve for x
    x = 220,132,587,916,124,192,768/12,251,063,048.40
  6. Step 6: Final answer
    x = 17,968,447,884.60

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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.