Home / 314,928,809.70-472,393,214.55-199,287,248.10

Finding the Fourth Proportional to 314,928,809.70, 472,393,214.55 and 199,287,248.10

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Solution

The fourth proportional to 314,928,809.70, 472,393,214.55 and 199,287,248.10 is: 298,930,872.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,809.70 : 472,393,214.55 = 199,287,248.10 : x
  2. Step 2: Convert to fraction form
    314,928,809.70/472,393,214.55 = 199,287,248.10/x
  3. Step 3: Cross multiply
    314,928,809.70x = 472,393,214.55 × 199,287,248.10
  4. Step 4: Simplify right side
    314,928,809.70x = 94,141,943,748,782,384
  5. Step 5: Solve for x
    x = 94,141,943,748,782,384/314,928,809.70
  6. Step 6: Final answer
    x = 298,930,872.15

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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.