Home / 1,864,280,015.32-2,796,788,409.36-683,871,457.36

Finding the Fourth Proportional to 1,864,280,015.32, 2,796,788,409.36 and 683,871,457.36

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Solution

The fourth proportional to 1,864,280,015.32, 2,796,788,409.36 and 683,871,457.36 is: 1,025,942,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864,280,015.32 : 2,796,788,409.36 = 683,871,457.36 : x
  2. Step 2: Convert to fraction form
    1,864,280,015.32/2,796,788,409.36 = 683,871,457.36/x
  3. Step 3: Cross multiply
    1,864,280,015.32x = 2,796,788,409.36 × 683,871,457.36
  4. Step 4: Simplify right side
    1,864,280,015.32x = 1,912,643,765,436,579,584
  5. Step 5: Solve for x
    x = 1,912,643,765,436,579,584/1,864,280,015.32
  6. Step 6: Final answer
    x = 1,025,942,320.75

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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.