Home / 1,324,580,888.40-1,986,871,332.60-404,455,750.80

Finding the Fourth Proportional to 1,324,580,888.40, 1,986,871,332.60 and 404,455,750.80

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Solution

The fourth proportional to 1,324,580,888.40, 1,986,871,332.60 and 404,455,750.80 is: 606,683,626.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,580,888.40 : 1,986,871,332.60 = 404,455,750.80 : x
  2. Step 2: Convert to fraction form
    1,324,580,888.40/1,986,871,332.60 = 404,455,750.80/x
  3. Step 3: Cross multiply
    1,324,580,888.40x = 1,986,871,332.60 × 404,455,750.80
  4. Step 4: Simplify right side
    1,324,580,888.40x = 803,601,536,569,729,536
  5. Step 5: Solve for x
    x = 803,601,536,569,729,536/1,324,580,888.40
  6. Step 6: Final answer
    x = 606,683,626.20

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Double scale
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Similar ratio
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1.5x scale

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.