Home / 1,013,615,793.24-1,398,789,794.82-550,041,777.24

Finding the Fourth Proportional to 1,013,615,793.24, 1,398,789,794.82 and 550,041,777.24

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Solution

The fourth proportional to 1,013,615,793.24, 1,398,789,794.82 and 550,041,777.24 is: 759,057,652.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,615,793.24 : 1,398,789,794.82 = 550,041,777.24 : x
  2. Step 2: Convert to fraction form
    1,013,615,793.24/1,398,789,794.82 = 550,041,777.24/x
  3. Step 3: Cross multiply
    1,013,615,793.24x = 1,398,789,794.82 × 550,041,777.24
  4. Step 4: Simplify right side
    1,013,615,793.24x = 769,392,824,727,967,744
  5. Step 5: Solve for x
    x = 769,392,824,727,967,744/1,013,615,793.24
  6. Step 6: Final answer
    x = 759,057,652.67

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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.