Home / 6,240,673,593.92-8,611,942,912.80-3,421,185,158.72

Finding the Fourth Proportional to 6,240,673,593.92, 8,611,942,912.80 and 3,421,185,158.72

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Solution

The fourth proportional to 6,240,673,593.92, 8,611,942,912.80 and 3,421,185,158.72 is: 4,721,133,197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240,673,593.92 : 8,611,942,912.80 = 3,421,185,158.72 : x
  2. Step 2: Convert to fraction form
    6,240,673,593.92/8,611,942,912.80 = 3,421,185,158.72/x
  3. Step 3: Cross multiply
    6,240,673,593.92x = 8,611,942,912.80 × 3,421,185,158.72
  4. Step 4: Simplify right side
    6,240,673,593.92x = 29,463,051,281,015,242,752
  5. Step 5: Solve for x
    x = 29,463,051,281,015,242,752/6,240,673,593.92
  6. Step 6: Final answer
    x = 4,721,133,197.82

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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.