Home / 277,213,478,761.72-382,556,846,861.54-153,616,682,614.20

Finding the Fourth Proportional to 277,213,478,761.72, 382,556,846,861.54 and 153,616,682,614.20

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Solution

The fourth proportional to 277,213,478,761.72, 382,556,846,861.54 and 153,616,682,614.20 is: 211,992,266,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,213,478,761.72 : 382,556,846,861.54 = 153,616,682,614.20 : x
  2. Step 2: Convert to fraction form
    277,213,478,761.72/382,556,846,861.54 = 153,616,682,614.20/x
  3. Step 3: Cross multiply
    277,213,478,761.72x = 382,556,846,861.54 × 153,616,682,614.20
  4. Step 4: Simplify right side
    277,213,478,761.72x = 58,767,113,726,218,303,700,992
  5. Step 5: Solve for x
    x = 58,767,113,726,218,303,700,992/277,213,478,761.72
  6. Step 6: Final answer
    x = 211,992,266,713.45

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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.