Home / 310,682,216,378.43-425,627,558,300.07-299,066,307,286.95

Finding the Fourth Proportional to 310,682,216,378.43, 425,627,558,300.07 and 299,066,307,286.95

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Solution

The fourth proportional to 310,682,216,378.43, 425,627,558,300.07 and 299,066,307,286.95 is: 409,714,027,484.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,682,216,378.43 : 425,627,558,300.07 = 299,066,307,286.95 : x
  2. Step 2: Convert to fraction form
    310,682,216,378.43/425,627,558,300.07 = 299,066,307,286.95/x
  3. Step 3: Cross multiply
    310,682,216,378.43x = 425,627,558,300.07 × 299,066,307,286.95
  4. Step 4: Simplify right side
    310,682,216,378.43x = 127,290,862,140,362,969,841,664
  5. Step 5: Solve for x
    x = 127,290,862,140,362,969,841,664/310,682,216,378.43
  6. Step 6: Final answer
    x = 409,714,027,484.97

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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.