Home / 942,438,467.28-1,413,754,240.68-360,662,019.60

Finding the Fourth Proportional to 942,438,467.28, 1,413,754,240.68 and 360,662,019.60

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Solution

The fourth proportional to 942,438,467.28, 1,413,754,240.68 and 360,662,019.60 is: 541,029,974.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,438,467.28 : 1,413,754,240.68 = 360,662,019.60 : x
  2. Step 2: Convert to fraction form
    942,438,467.28/1,413,754,240.68 = 360,662,019.60/x
  3. Step 3: Cross multiply
    942,438,467.28x = 1,413,754,240.68 × 360,662,019.60
  4. Step 4: Simplify right side
    942,438,467.28x = 509,887,459,661,713,344
  5. Step 5: Solve for x
    x = 509,887,459,661,713,344/942,438,467.28
  6. Step 6: Final answer
    x = 541,029,974.23

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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.