Home / 314,928,662.70-472,392,994.05-199,287,101.10

Finding the Fourth Proportional to 314,928,662.70, 472,392,994.05 and 199,287,101.10

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Solution

The fourth proportional to 314,928,662.70, 472,392,994.05 and 199,287,101.10 is: 298,930,651.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,662.70 : 472,392,994.05 = 199,287,101.10 : x
  2. Step 2: Convert to fraction form
    314,928,662.70/472,392,994.05 = 199,287,101.10/x
  3. Step 3: Cross multiply
    314,928,662.70x = 472,392,994.05 × 199,287,101.10
  4. Step 4: Simplify right side
    314,928,662.70x = 94,141,830,364,174,048
  5. Step 5: Solve for x
    x = 94,141,830,364,174,048/314,928,662.70
  6. Step 6: Final answer
    x = 298,930,651.65

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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.