Home / 318,722,124,092.72-439,835,463,419.38-174,206,170,079.91

Finding the Fourth Proportional to 318,722,124,092.72, 439,835,463,419.38 and 174,206,170,079.91

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Solution

The fourth proportional to 318,722,124,092.72, 439,835,463,419.38 and 174,206,170,079.91 is: 240,403,931,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,722,124,092.72 : 439,835,463,419.38 = 174,206,170,079.91 : x
  2. Step 2: Convert to fraction form
    318,722,124,092.72/439,835,463,419.38 = 174,206,170,079.91/x
  3. Step 3: Cross multiply
    318,722,124,092.72x = 439,835,463,419.38 × 174,206,170,079.91
  4. Step 4: Simplify right side
    318,722,124,092.72x = 76,622,051,547,612,541,091,840
  5. Step 5: Solve for x
    x = 76,622,051,547,612,541,091,840/318,722,124,092.72
  6. Step 6: Final answer
    x = 240,403,931,059.78

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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.