Home / 789,141,947.40-1,183,787,570.70-214,713,275.40

Finding the Fourth Proportional to 789,141,947.40, 1,183,787,570.70 and 214,713,275.40

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Solution

The fourth proportional to 789,141,947.40, 1,183,787,570.70 and 214,713,275.40 is: 322,090,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,141,947.40 : 1,183,787,570.70 = 214,713,275.40 : x
  2. Step 2: Convert to fraction form
    789,141,947.40/1,183,787,570.70 = 214,713,275.40/x
  3. Step 3: Cross multiply
    789,141,947.40x = 1,183,787,570.70 × 214,713,275.40
  4. Step 4: Simplify right side
    789,141,947.40x = 254,174,906,682,806,080
  5. Step 5: Solve for x
    x = 254,174,906,682,806,080/789,141,947.40
  6. Step 6: Final answer
    x = 322,090,224.10

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1.5x scale

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.