Home / 695,179,219.20-1,040,081,443.20-453,314,515.20

Finding the Fourth Proportional to 695,179,219.20, 1,040,081,443.20 and 453,314,515.20

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Solution

The fourth proportional to 695,179,219.20, 1,040,081,443.20 and 453,314,515.20 is: 678,219,374.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,179,219.20 : 1,040,081,443.20 = 453,314,515.20 : x
  2. Step 2: Convert to fraction form
    695,179,219.20/1,040,081,443.20 = 453,314,515.20/x
  3. Step 3: Cross multiply
    695,179,219.20x = 1,040,081,443.20 × 453,314,515.20
  4. Step 4: Simplify right side
    695,179,219.20x = 471,484,015,192,724,352
  5. Step 5: Solve for x
    x = 471,484,015,192,724,352/695,179,219.20
  6. Step 6: Final answer
    x = 678,219,374.47

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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.