Home / 1,015,361,701.70-1,400,683,464.37-663,143,864.54

Finding the Fourth Proportional to 1,015,361,701.70, 1,400,683,464.37 and 663,143,864.54

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Solution

The fourth proportional to 1,015,361,701.70, 1,400,683,464.37 and 663,143,864.54 is: 914,801,734.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,361,701.70 : 1,400,683,464.37 = 663,143,864.54 : x
  2. Step 2: Convert to fraction form
    1,015,361,701.70/1,400,683,464.37 = 663,143,864.54/x
  3. Step 3: Cross multiply
    1,015,361,701.70x = 1,400,683,464.37 × 663,143,864.54
  4. Step 4: Simplify right side
    1,015,361,701.70x = 928,854,645,550,935,936
  5. Step 5: Solve for x
    x = 928,854,645,550,935,936/1,015,361,701.70
  6. Step 6: Final answer
    x = 914,801,734.20

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Double scale
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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.