Home / 38,213,113,255.64-52,734,255,574.30-21,065,589,829.32

Finding the Fourth Proportional to 38,213,113,255.64, 52,734,255,574.30 and 21,065,589,829.32

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Solution

The fourth proportional to 38,213,113,255.64, 52,734,255,574.30 and 21,065,589,829.32 is: 29,070,601,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,213,113,255.64 : 52,734,255,574.30 = 21,065,589,829.32 : x
  2. Step 2: Convert to fraction form
    38,213,113,255.64/52,734,255,574.30 = 21,065,589,829.32/x
  3. Step 3: Cross multiply
    38,213,113,255.64x = 52,734,255,574.30 × 21,065,589,829.32
  4. Step 4: Simplify right side
    38,213,113,255.64x = 1,110,878,197,882,735,689,728
  5. Step 5: Solve for x
    x = 1,110,878,197,882,735,689,728/38,213,113,255.64
  6. Step 6: Final answer
    x = 29,070,601,770.95

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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.