Home / 1,350,980,520.92-1,863,392,019.41-1,239,830,291.87

Finding the Fourth Proportional to 1,350,980,520.92, 1,863,392,019.41 and 1,239,830,291.87

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Solution

The fourth proportional to 1,350,980,520.92, 1,863,392,019.41 and 1,239,830,291.87 is: 1,710,083,776.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,980,520.92 : 1,863,392,019.41 = 1,239,830,291.87 : x
  2. Step 2: Convert to fraction form
    1,350,980,520.92/1,863,392,019.41 = 1,239,830,291.87/x
  3. Step 3: Cross multiply
    1,350,980,520.92x = 1,863,392,019.41 × 1,239,830,291.87
  4. Step 4: Simplify right side
    1,350,980,520.92x = 2,310,289,871,293,328,896
  5. Step 5: Solve for x
    x = 2,310,289,871,293,328,896/1,350,980,520.92
  6. Step 6: Final answer
    x = 1,710,083,776.57

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Double scale
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1.5x scale

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.