Home / 38,213,113,240.45-52,734,255,553.32-21,065,589,814.13

Finding the Fourth Proportional to 38,213,113,240.45, 52,734,255,553.32 and 21,065,589,814.13

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Solution

The fourth proportional to 38,213,113,240.45, 52,734,255,553.32 and 21,065,589,814.13 is: 29,070,601,749.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,213,113,240.45 : 52,734,255,553.32 = 21,065,589,814.13 : x
  2. Step 2: Convert to fraction form
    38,213,113,240.45/52,734,255,553.32 = 21,065,589,814.13/x
  3. Step 3: Cross multiply
    38,213,113,240.45x = 52,734,255,553.32 × 21,065,589,814.13
  4. Step 4: Simplify right side
    38,213,113,240.45x = 1,110,878,196,639,482,511,360
  5. Step 5: Solve for x
    x = 1,110,878,196,639,482,511,360/38,213,113,240.45
  6. Step 6: Final answer
    x = 29,070,601,749.97

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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.