Home / 38,011,417,427.42-52,455,807,994.99-20,630,327,911.15

Finding the Fourth Proportional to 38,011,417,427.42, 52,455,807,994.99 and 20,630,327,911.15

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Solution

The fourth proportional to 38,011,417,427.42, 52,455,807,994.99 and 20,630,327,911.15 is: 28,469,880,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,011,417,427.42 : 52,455,807,994.99 = 20,630,327,911.15 : x
  2. Step 2: Convert to fraction form
    38,011,417,427.42/52,455,807,994.99 = 20,630,327,911.15/x
  3. Step 3: Cross multiply
    38,011,417,427.42x = 52,455,807,994.99 × 20,630,327,911.15
  4. Step 4: Simplify right side
    38,011,417,427.42x = 1,082,180,519,780,958,076,928
  5. Step 5: Solve for x
    x = 1,082,180,519,780,958,076,928/38,011,417,427.42
  6. Step 6: Final answer
    x = 28,469,880,710.11

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Double scale
Find fourth proportional to 38,011,417,428.42, 52,455,807,996.37 and 20,630,327,912.15
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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.