Home / 242,138,313,342.40-363,207,470,013.60-166,823,770,280.80

Finding the Fourth Proportional to 242,138,313,342.40, 363,207,470,013.60 and 166,823,770,280.80

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Solution

The fourth proportional to 242,138,313,342.40, 363,207,470,013.60 and 166,823,770,280.80 is: 250,235,655,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,138,313,342.40 : 363,207,470,013.60 = 166,823,770,280.80 : x
  2. Step 2: Convert to fraction form
    242,138,313,342.40/363,207,470,013.60 = 166,823,770,280.80/x
  3. Step 3: Cross multiply
    242,138,313,342.40x = 363,207,470,013.60 × 166,823,770,280.80
  4. Step 4: Simplify right side
    242,138,313,342.40x = 60,591,639,541,819,354,644,480
  5. Step 5: Solve for x
    x = 60,591,639,541,819,354,644,480/242,138,313,342.40
  6. Step 6: Final answer
    x = 250,235,655,421.20

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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.