Home / 1,993,069,868.40-2,989,589,056.20-519,206,828.40

Finding the Fourth Proportional to 1,993,069,868.40, 2,989,589,056.20 and 519,206,828.40

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Solution

The fourth proportional to 1,993,069,868.40, 2,989,589,056.20 and 519,206,828.40 is: 778,806,140.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,069,868.40 : 2,989,589,056.20 = 519,206,828.40 : x
  2. Step 2: Convert to fraction form
    1,993,069,868.40/2,989,589,056.20 = 519,206,828.40/x
  3. Step 3: Cross multiply
    1,993,069,868.40x = 2,989,589,056.20 × 519,206,828.40
  4. Step 4: Simplify right side
    1,993,069,868.40x = 1,552,215,052,088,951,296
  5. Step 5: Solve for x
    x = 1,552,215,052,088,951,296/1,993,069,868.40
  6. Step 6: Final answer
    x = 778,806,140.57

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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.