Home / 1,491,128,392.97-2,237,015,456.31-571,004,764.40

Finding the Fourth Proportional to 1,491,128,392.97, 2,237,015,456.31 and 571,004,764.40

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Solution

The fourth proportional to 1,491,128,392.97, 2,237,015,456.31 and 571,004,764.40 is: 856,630,783.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,128,392.97 : 2,237,015,456.31 = 571,004,764.40 : x
  2. Step 2: Convert to fraction form
    1,491,128,392.97/2,237,015,456.31 = 571,004,764.40/x
  3. Step 3: Cross multiply
    1,491,128,392.97x = 2,237,015,456.31 × 571,004,764.40
  4. Step 4: Simplify right side
    1,491,128,392.97x = 1,277,346,483,578,264,832
  5. Step 5: Solve for x
    x = 1,277,346,483,578,264,832/1,491,128,392.97
  6. Step 6: Final answer
    x = 856,630,783.51

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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.