Home / 586,336,648.44-809,141,445.07-318,410,138.97

Finding the Fourth Proportional to 586,336,648.44, 809,141,445.07 and 318,410,138.97

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Solution

The fourth proportional to 586,336,648.44, 809,141,445.07 and 318,410,138.97 is: 439,404,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,336,648.44 : 809,141,445.07 = 318,410,138.97 : x
  2. Step 2: Convert to fraction form
    586,336,648.44/809,141,445.07 = 318,410,138.97/x
  3. Step 3: Cross multiply
    586,336,648.44x = 809,141,445.07 × 318,410,138.97
  4. Step 4: Simplify right side
    586,336,648.44x = 257,638,839,967,875,616
  5. Step 5: Solve for x
    x = 257,638,839,967,875,616/586,336,648.44
  6. Step 6: Final answer
    x = 439,404,292.15

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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.