Home / 21,856,821,823.18-30,162,424,207.53-11,832,316,670.31

Finding the Fourth Proportional to 21,856,821,823.18, 30,162,424,207.53 and 11,832,316,670.31

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Solution

The fourth proportional to 21,856,821,823.18, 30,162,424,207.53 and 11,832,316,670.31 is: 16,328,602,468.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,821,823.18 : 30,162,424,207.53 = 11,832,316,670.31 : x
  2. Step 2: Convert to fraction form
    21,856,821,823.18/30,162,424,207.53 = 11,832,316,670.31/x
  3. Step 3: Cross multiply
    21,856,821,823.18x = 30,162,424,207.53 × 11,832,316,670.31
  4. Step 4: Simplify right side
    21,856,821,823.18x = 356,891,354,767,719,071,744
  5. Step 5: Solve for x
    x = 356,891,354,767,719,071,744/21,856,821,823.18
  6. Step 6: Final answer
    x = 16,328,602,468.14

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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.