Home / 1,791,459,003.60-2,471,059,345.68-1,188,616,579.20

Finding the Fourth Proportional to 1,791,459,003.60, 2,471,059,345.68 and 1,188,616,579.20

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Solution

The fourth proportional to 1,791,459,003.60, 2,471,059,345.68 and 1,188,616,579.20 is: 1,639,525,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,459,003.60 : 2,471,059,345.68 = 1,188,616,579.20 : x
  2. Step 2: Convert to fraction form
    1,791,459,003.60/2,471,059,345.68 = 1,188,616,579.20/x
  3. Step 3: Cross multiply
    1,791,459,003.60x = 2,471,059,345.68 × 1,188,616,579.20
  4. Step 4: Simplify right side
    1,791,459,003.60x = 2,937,142,106,462,351,872
  5. Step 5: Solve for x
    x = 2,937,142,106,462,351,872/1,791,459,003.60
  6. Step 6: Final answer
    x = 1,639,525,158.30

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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.