Home / 19,977,864,215.81-27,565,948,608.09-11,400,374,589.35

Finding the Fourth Proportional to 19,977,864,215.81, 27,565,948,608.09 and 11,400,374,589.35

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Solution

The fourth proportional to 19,977,864,215.81, 27,565,948,608.09 and 11,400,374,589.35 is: 15,730,517,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977,864,215.81 : 27,565,948,608.09 = 11,400,374,589.35 : x
  2. Step 2: Convert to fraction form
    19,977,864,215.81/27,565,948,608.09 = 11,400,374,589.35/x
  3. Step 3: Cross multiply
    19,977,864,215.81x = 27,565,948,608.09 × 11,400,374,589.35
  4. Step 4: Simplify right side
    19,977,864,215.81x = 314,262,140,043,001,987,072
  5. Step 5: Solve for x
    x = 314,262,140,043,001,987,072/19,977,864,215.81
  6. Step 6: Final answer
    x = 15,730,517,369.03

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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.