Home / 318,722,124,091.72-439,835,463,418-174,206,170,078.91

Finding the Fourth Proportional to 318,722,124,091.72, 439,835,463,418 and 174,206,170,078.91

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Solution

The fourth proportional to 318,722,124,091.72, 439,835,463,418 and 174,206,170,078.91 is: 240,403,931,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,722,124,091.72 : 439,835,463,418 = 174,206,170,078.91 : x
  2. Step 2: Convert to fraction form
    318,722,124,091.72/439,835,463,418 = 174,206,170,078.91/x
  3. Step 3: Cross multiply
    318,722,124,091.72x = 439,835,463,418 × 174,206,170,078.91
  4. Step 4: Simplify right side
    318,722,124,091.72x = 76,622,051,546,932,308,869,120
  5. Step 5: Solve for x
    x = 76,622,051,546,932,308,869,120/318,722,124,091.72
  6. Step 6: Final answer
    x = 240,403,931,058.40

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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.