Home / 277,213,478,760.72-382,556,846,860.16-153,616,682,613.20

Finding the Fourth Proportional to 277,213,478,760.72, 382,556,846,860.16 and 153,616,682,613.20

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Solution

The fourth proportional to 277,213,478,760.72, 382,556,846,860.16 and 153,616,682,613.20 is: 211,992,266,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,213,478,760.72 : 382,556,846,860.16 = 153,616,682,613.20 : x
  2. Step 2: Convert to fraction form
    277,213,478,760.72/382,556,846,860.16 = 153,616,682,613.20/x
  3. Step 3: Cross multiply
    277,213,478,760.72x = 382,556,846,860.16 × 153,616,682,613.20
  4. Step 4: Simplify right side
    277,213,478,760.72x = 58,767,113,725,623,752,720,384
  5. Step 5: Solve for x
    x = 58,767,113,725,623,752,720,384/277,213,478,760.72
  6. Step 6: Final answer
    x = 211,992,266,712.07

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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.