Home / 293,355,547,138.80-440,033,320,708.20-198,515,011,431.60

Finding the Fourth Proportional to 293,355,547,138.80, 440,033,320,708.20 and 198,515,011,431.60

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Solution

The fourth proportional to 293,355,547,138.80, 440,033,320,708.20 and 198,515,011,431.60 is: 297,772,517,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,355,547,138.80 : 440,033,320,708.20 = 198,515,011,431.60 : x
  2. Step 2: Convert to fraction form
    293,355,547,138.80/440,033,320,708.20 = 198,515,011,431.60/x
  3. Step 3: Cross multiply
    293,355,547,138.80x = 440,033,320,708.20 × 198,515,011,431.60
  4. Step 4: Simplify right side
    293,355,547,138.80x = 87,353,219,690,673,236,606,976
  5. Step 5: Solve for x
    x = 87,353,219,690,673,236,606,976/293,355,547,138.80
  6. Step 6: Final answer
    x = 297,772,517,147.40

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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.