Home / 708,594,551.70-1,062,891,827.55-320,430,045.30

Finding the Fourth Proportional to 708,594,551.70, 1,062,891,827.55 and 320,430,045.30

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Solution

The fourth proportional to 708,594,551.70, 1,062,891,827.55 and 320,430,045.30 is: 480,645,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,594,551.70 : 1,062,891,827.55 = 320,430,045.30 : x
  2. Step 2: Convert to fraction form
    708,594,551.70/1,062,891,827.55 = 320,430,045.30/x
  3. Step 3: Cross multiply
    708,594,551.70x = 1,062,891,827.55 × 320,430,045.30
  4. Step 4: Simplify right side
    708,594,551.70x = 340,582,476,450,846,272
  5. Step 5: Solve for x
    x = 340,582,476,450,846,272/708,594,551.70
  6. Step 6: Final answer
    x = 480,645,067.95

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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.