Home / 38,011,417,426.74-52,455,807,994.04-20,630,327,910.47

Finding the Fourth Proportional to 38,011,417,426.74, 52,455,807,994.04 and 20,630,327,910.47

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Solution

The fourth proportional to 38,011,417,426.74, 52,455,807,994.04 and 20,630,327,910.47 is: 28,469,880,709.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,011,417,426.74 : 52,455,807,994.04 = 20,630,327,910.47 : x
  2. Step 2: Convert to fraction form
    38,011,417,426.74/52,455,807,994.04 = 20,630,327,910.47/x
  3. Step 3: Cross multiply
    38,011,417,426.74x = 52,455,807,994.04 × 20,630,327,910.47
  4. Step 4: Simplify right side
    38,011,417,426.74x = 1,082,180,519,725,436,502,016
  5. Step 5: Solve for x
    x = 1,082,180,519,725,436,502,016/38,011,417,426.74
  6. Step 6: Final answer
    x = 28,469,880,709.16

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Double scale
Find fourth proportional to 38,011,417,427.74, 52,455,807,995.42 and 20,630,327,911.47
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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.