Home / 27,955,611,449.32-38,579,579,256.18-15,268,945,609.48

Finding the Fourth Proportional to 27,955,611,449.32, 38,579,579,256.18 and 15,268,945,609.48

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Solution

The fourth proportional to 27,955,611,449.32, 38,579,579,256.18 and 15,268,945,609.48 is: 21,071,601,254.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,955,611,449.32 : 38,579,579,256.18 = 15,268,945,609.48 : x
  2. Step 2: Convert to fraction form
    27,955,611,449.32/38,579,579,256.18 = 15,268,945,609.48/x
  3. Step 3: Cross multiply
    27,955,611,449.32x = 38,579,579,256.18 × 15,268,945,609.48
  4. Step 4: Simplify right side
    27,955,611,449.32x = 589,069,497,299,235,307,520
  5. Step 5: Solve for x
    x = 589,069,497,299,235,307,520/27,955,611,449.32
  6. Step 6: Final answer
    x = 21,071,601,254.98

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Double scale
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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.