Home / 15,514,301,097.28-21,409,800,899.20-8,740,200,957.76

Finding the Fourth Proportional to 15,514,301,097.28, 21,409,800,899.20 and 8,740,200,957.76

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Solution

The fourth proportional to 15,514,301,097.28, 21,409,800,899.20 and 8,740,200,957.76 is: 12,061,514,157.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,514,301,097.28 : 21,409,800,899.20 = 8,740,200,957.76 : x
  2. Step 2: Convert to fraction form
    15,514,301,097.28/21,409,800,899.20 = 8,740,200,957.76/x
  3. Step 3: Cross multiply
    15,514,301,097.28x = 21,409,800,899.20 × 8,740,200,957.76
  4. Step 4: Simplify right side
    15,514,301,097.28x = 187,125,962,324,638,760,960
  5. Step 5: Solve for x
    x = 187,125,962,324,638,760,960/15,514,301,097.28
  6. Step 6: Final answer
    x = 12,061,514,157.25

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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.