Home / 1,813,188,971.12-2,720,338,521.87-928,500,723.08

Finding the Fourth Proportional to 1,813,188,971.12, 2,720,338,521.87 and 928,500,723.08

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Solution

The fourth proportional to 1,813,188,971.12, 2,720,338,521.87 and 928,500,723.08 is: 1,393,035,323.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813,188,971.12 : 2,720,338,521.87 = 928,500,723.08 : x
  2. Step 2: Convert to fraction form
    1,813,188,971.12/2,720,338,521.87 = 928,500,723.08/x
  3. Step 3: Cross multiply
    1,813,188,971.12x = 2,720,338,521.87 × 928,500,723.08
  4. Step 4: Simplify right side
    1,813,188,971.12x = 2,525,836,284,578,673,152
  5. Step 5: Solve for x
    x = 2,525,836,284,578,673,152/1,813,188,971.12
  6. Step 6: Final answer
    x = 1,393,035,323.29

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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.