Home / 1,435,008,618.12-1,980,311,876.54-774,958,896.12

Finding the Fourth Proportional to 1,435,008,618.12, 1,980,311,876.54 and 774,958,896.12

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Solution

The fourth proportional to 1,435,008,618.12, 1,980,311,876.54 and 774,958,896.12 is: 1,069,443,267.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,008,618.12 : 1,980,311,876.54 = 774,958,896.12 : x
  2. Step 2: Convert to fraction form
    1,435,008,618.12/1,980,311,876.54 = 774,958,896.12/x
  3. Step 3: Cross multiply
    1,435,008,618.12x = 1,980,311,876.54 × 774,958,896.12
  4. Step 4: Simplify right side
    1,435,008,618.12x = 1,534,660,305,812,889,344
  5. Step 5: Solve for x
    x = 1,534,660,305,812,889,344/1,435,008,618.12
  6. Step 6: Final answer
    x = 1,069,443,267.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.