Home / 874,012,518.14-1,206,138,572.07-497,669,412.56

Finding the Fourth Proportional to 874,012,518.14, 1,206,138,572.07 and 497,669,412.56

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Solution

The fourth proportional to 874,012,518.14, 1,206,138,572.07 and 497,669,412.56 is: 686,784,527.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,012,518.14 : 1,206,138,572.07 = 497,669,412.56 : x
  2. Step 2: Convert to fraction form
    874,012,518.14/1,206,138,572.07 = 497,669,412.56/x
  3. Step 3: Cross multiply
    874,012,518.14x = 1,206,138,572.07 × 497,669,412.56
  4. Step 4: Simplify right side
    874,012,518.14x = 600,258,274,628,034,048
  5. Step 5: Solve for x
    x = 600,258,274,628,034,048/874,012,518.14
  6. Step 6: Final answer
    x = 686,784,527.88

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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.