Home / 403,320,621.60-604,980,932.40-130,718,944.80

Finding the Fourth Proportional to 403,320,621.60, 604,980,932.40 and 130,718,944.80

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Solution

The fourth proportional to 403,320,621.60, 604,980,932.40 and 130,718,944.80 is: 196,078,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,320,621.60 : 604,980,932.40 = 130,718,944.80 : x
  2. Step 2: Convert to fraction form
    403,320,621.60/604,980,932.40 = 130,718,944.80/x
  3. Step 3: Cross multiply
    403,320,621.60x = 604,980,932.40 × 130,718,944.80
  4. Step 4: Simplify right side
    403,320,621.60x = 79,082,469,107,448,128
  5. Step 5: Solve for x
    x = 79,082,469,107,448,128/403,320,621.60
  6. Step 6: Final answer
    x = 196,078,417.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.