Home / 1,491,128,395.97-2,237,015,460.81-571,004,767.40

Finding the Fourth Proportional to 1,491,128,395.97, 2,237,015,460.81 and 571,004,767.40

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Solution

The fourth proportional to 1,491,128,395.97, 2,237,015,460.81 and 571,004,767.40 is: 856,630,788.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,128,395.97 : 2,237,015,460.81 = 571,004,767.40 : x
  2. Step 2: Convert to fraction form
    1,491,128,395.97/2,237,015,460.81 = 571,004,767.40/x
  3. Step 3: Cross multiply
    1,491,128,395.97x = 2,237,015,460.81 × 571,004,767.40
  4. Step 4: Simplify right side
    1,491,128,395.97x = 1,277,346,492,858,832,640
  5. Step 5: Solve for x
    x = 1,277,346,492,858,832,640/1,491,128,395.97
  6. Step 6: Final answer
    x = 856,630,788.01

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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.