Home / 351,660,437.36-485,320,455.60-195,078,028.40

Finding the Fourth Proportional to 351,660,437.36, 485,320,455.60 and 195,078,028.40

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Solution

The fourth proportional to 351,660,437.36, 485,320,455.60 and 195,078,028.40 is: 269,223,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,660,437.36 : 485,320,455.60 = 195,078,028.40 : x
  2. Step 2: Convert to fraction form
    351,660,437.36/485,320,455.60 = 195,078,028.40/x
  3. Step 3: Cross multiply
    351,660,437.36x = 485,320,455.60 × 195,078,028.40
  4. Step 4: Simplify right side
    351,660,437.36x = 94,675,357,620,637,744
  5. Step 5: Solve for x
    x = 94,675,357,620,637,744/351,660,437.36
  6. Step 6: Final answer
    x = 269,223,795.35

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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.