Home / 1,864,280,015.82-2,796,788,410.11-683,871,457.86

Finding the Fourth Proportional to 1,864,280,015.82, 2,796,788,410.11 and 683,871,457.86

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Solution

The fourth proportional to 1,864,280,015.82, 2,796,788,410.11 and 683,871,457.86 is: 1,025,942,321.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864,280,015.82 : 2,796,788,410.11 = 683,871,457.86 : x
  2. Step 2: Convert to fraction form
    1,864,280,015.82/2,796,788,410.11 = 683,871,457.86/x
  3. Step 3: Cross multiply
    1,864,280,015.82x = 2,796,788,410.11 × 683,871,457.86
  4. Step 4: Simplify right side
    1,864,280,015.82x = 1,912,643,767,347,877,376
  5. Step 5: Solve for x
    x = 1,912,643,767,347,877,376/1,864,280,015.82
  6. Step 6: Final answer
    x = 1,025,942,321.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.