Home / 261,685,552,242.53-361,126,062,789.73-141,391,490,408.01

Finding the Fourth Proportional to 261,685,552,242.53, 361,126,062,789.73 and 141,391,490,408.01

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Solution

The fourth proportional to 261,685,552,242.53, 361,126,062,789.73 and 141,391,490,408.01 is: 195,120,257,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,685,552,242.53 : 361,126,062,789.73 = 141,391,490,408.01 : x
  2. Step 2: Convert to fraction form
    261,685,552,242.53/361,126,062,789.73 = 141,391,490,408.01/x
  3. Step 3: Cross multiply
    261,685,552,242.53x = 361,126,062,789.73 × 141,391,490,408.01
  4. Step 4: Simplify right side
    261,685,552,242.53x = 51,060,152,243,016,528,035,840
  5. Step 5: Solve for x
    x = 51,060,152,243,016,528,035,840/261,685,552,242.53
  6. Step 6: Final answer
    x = 195,120,257,138.59

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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.