Home / 664,994,467,757.46-997,390,915,785.72-180,986,404,831.45

Finding the Fourth Proportional to 664,994,467,757.46, 997,390,915,785.72 and 180,986,404,831.45

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Solution

The fourth proportional to 664,994,467,757.46, 997,390,915,785.72 and 180,986,404,831.45 is: 271,452,177,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,994,467,757.46 : 997,390,915,785.72 = 180,986,404,831.45 : x
  2. Step 2: Convert to fraction form
    664,994,467,757.46/997,390,915,785.72 = 180,986,404,831.45/x
  3. Step 3: Cross multiply
    664,994,467,757.46x = 997,390,915,785.72 × 180,986,404,831.45
  4. Step 4: Simplify right side
    664,994,467,757.46x = 180,514,196,059,604,964,605,952
  5. Step 5: Solve for x
    x = 180,514,196,059,604,964,605,952/664,994,467,757.46
  6. Step 6: Final answer
    x = 271,452,177,141.18

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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.