Home / 1,993,069,869.40-2,989,589,057.70-519,206,829.40

Finding the Fourth Proportional to 1,993,069,869.40, 2,989,589,057.70 and 519,206,829.40

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Solution

The fourth proportional to 1,993,069,869.40, 2,989,589,057.70 and 519,206,829.40 is: 778,806,142.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,069,869.40 : 2,989,589,057.70 = 519,206,829.40 : x
  2. Step 2: Convert to fraction form
    1,993,069,869.40/2,989,589,057.70 = 519,206,829.40/x
  3. Step 3: Cross multiply
    1,993,069,869.40x = 2,989,589,057.70 × 519,206,829.40
  4. Step 4: Simplify right side
    1,993,069,869.40x = 1,552,215,055,857,350,400
  5. Step 5: Solve for x
    x = 1,552,215,055,857,350,400/1,993,069,869.40
  6. Step 6: Final answer
    x = 778,806,142.07

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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.