Home / 21,876,609,074.11-30,189,326,991.64-12,360,956,519.68

Finding the Fourth Proportional to 21,876,609,074.11, 30,189,326,991.64 and 12,360,956,519.68

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Solution

The fourth proportional to 21,876,609,074.11, 30,189,326,991.64 and 12,360,956,519.68 is: 17,057,897,640.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,876,609,074.11 : 30,189,326,991.64 = 12,360,956,519.68 : x
  2. Step 2: Convert to fraction form
    21,876,609,074.11/30,189,326,991.64 = 12,360,956,519.68/x
  3. Step 3: Cross multiply
    21,876,609,074.11x = 30,189,326,991.64 × 12,360,956,519.68
  4. Step 4: Simplify right side
    21,876,609,074.11x = 373,168,958,301,960,929,280
  5. Step 5: Solve for x
    x = 373,168,958,301,960,929,280/21,876,609,074.11
  6. Step 6: Final answer
    x = 17,057,897,640.25

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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.