Home / 1,993,004,631.40-2,989,491,200.70-519,141,591.40

Finding the Fourth Proportional to 1,993,004,631.40, 2,989,491,200.70 and 519,141,591.40

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Solution

The fourth proportional to 1,993,004,631.40, 2,989,491,200.70 and 519,141,591.40 is: 778,708,285.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,004,631.40 : 2,989,491,200.70 = 519,141,591.40 : x
  2. Step 2: Convert to fraction form
    1,993,004,631.40/2,989,491,200.70 = 519,141,591.40/x
  3. Step 3: Cross multiply
    1,993,004,631.40x = 2,989,491,200.70 × 519,141,591.40
  4. Step 4: Simplify right side
    1,993,004,631.40x = 1,551,969,219,407,694,592
  5. Step 5: Solve for x
    x = 1,551,969,219,407,694,592/1,993,004,631.40
  6. Step 6: Final answer
    x = 778,708,285.45

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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.