Home / 310,682,216,383.42-425,627,558,306.92-299,066,307,291.96

Finding the Fourth Proportional to 310,682,216,383.42, 425,627,558,306.92 and 299,066,307,291.96

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Solution

The fourth proportional to 310,682,216,383.42, 425,627,558,306.92 and 299,066,307,291.96 is: 409,714,027,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,682,216,383.42 : 425,627,558,306.92 = 299,066,307,291.96 : x
  2. Step 2: Convert to fraction form
    310,682,216,383.42/425,627,558,306.92 = 299,066,307,291.96/x
  3. Step 3: Cross multiply
    310,682,216,383.42x = 425,627,558,306.92 × 299,066,307,291.96
  4. Step 4: Simplify right side
    310,682,216,383.42x = 127,290,862,144,543,969,509,376
  5. Step 5: Solve for x
    x = 127,290,862,144,543,969,509,376/310,682,216,383.42
  6. Step 6: Final answer
    x = 409,714,027,491.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.