Home / 28,168,093,063.38-38,872,843,204.05-15,480,598,175.22

Finding the Fourth Proportional to 28,168,093,063.38, 38,872,843,204.05 and 15,480,598,175.22

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Solution

The fourth proportional to 28,168,093,063.38, 38,872,843,204.05 and 15,480,598,175.22 is: 21,363,706,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,168,093,063.38 : 38,872,843,204.05 = 15,480,598,175.22 : x
  2. Step 2: Convert to fraction form
    28,168,093,063.38/38,872,843,204.05 = 15,480,598,175.22/x
  3. Step 3: Cross multiply
    28,168,093,063.38x = 38,872,843,204.05 × 15,480,598,175.22
  4. Step 4: Simplify right side
    28,168,093,063.38x = 601,774,865,570,229,649,408
  5. Step 5: Solve for x
    x = 601,774,865,570,229,649,408/28,168,093,063.38
  6. Step 6: Final answer
    x = 21,363,706,240.82

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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.