Home / 15,753,544,056.36-21,739,634,999.28-8,616,895,443.36

Finding the Fourth Proportional to 15,753,544,056.36, 21,739,634,999.28 and 8,616,895,443.36

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Solution

The fourth proportional to 15,753,544,056.36, 21,739,634,999.28 and 8,616,895,443.36 is: 11,891,175,794.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,753,544,056.36 : 21,739,634,999.28 = 8,616,895,443.36 : x
  2. Step 2: Convert to fraction form
    15,753,544,056.36/21,739,634,999.28 = 8,616,895,443.36/x
  3. Step 3: Cross multiply
    15,753,544,056.36x = 21,739,634,999.28 × 8,616,895,443.36
  4. Step 4: Simplify right side
    15,753,544,056.36x = 187,328,161,765,605,408,768
  5. Step 5: Solve for x
    x = 187,328,161,765,605,408,768/15,753,544,056.36
  6. Step 6: Final answer
    x = 11,891,175,794.82

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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.