Home / 1,230,454,742.79-1,845,764,401.89-432,676,568.82

Finding the Fourth Proportional to 1,230,454,742.79, 1,845,764,401.89 and 432,676,568.82

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Solution

The fourth proportional to 1,230,454,742.79, 1,845,764,401.89 and 432,676,568.82 is: 649,043,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,454,742.79 : 1,845,764,401.89 = 432,676,568.82 : x
  2. Step 2: Convert to fraction form
    1,230,454,742.79/1,845,764,401.89 = 432,676,568.82/x
  3. Step 3: Cross multiply
    1,230,454,742.79x = 1,845,764,401.89 × 432,676,568.82
  4. Step 4: Simplify right side
    1,230,454,742.79x = 798,619,008,263,336,960
  5. Step 5: Solve for x
    x = 798,619,008,263,336,960/1,230,454,742.79
  6. Step 6: Final answer
    x = 649,043,788.84

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Double scale
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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.