Home / 1,350,980,519.92-1,863,392,018.03-1,239,830,290.87

Finding the Fourth Proportional to 1,350,980,519.92, 1,863,392,018.03 and 1,239,830,290.87

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Solution

The fourth proportional to 1,350,980,519.92, 1,863,392,018.03 and 1,239,830,290.87 is: 1,710,083,775.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,980,519.92 : 1,863,392,018.03 = 1,239,830,290.87 : x
  2. Step 2: Convert to fraction form
    1,350,980,519.92/1,863,392,018.03 = 1,239,830,290.87/x
  3. Step 3: Cross multiply
    1,350,980,519.92x = 1,863,392,018.03 × 1,239,830,290.87
  4. Step 4: Simplify right side
    1,350,980,519.92x = 2,310,289,867,718,970,880
  5. Step 5: Solve for x
    x = 2,310,289,867,718,970,880/1,350,980,519.92
  6. Step 6: Final answer
    x = 1,710,083,775.19

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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.