Home / 314,928,356.80-472,392,535.20-200,042,622.40

Finding the Fourth Proportional to 314,928,356.80, 472,392,535.20 and 200,042,622.40

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Solution

The fourth proportional to 314,928,356.80, 472,392,535.20 and 200,042,622.40 is: 300,063,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,928,356.80 : 472,392,535.20 = 200,042,622.40 : x
  2. Step 2: Convert to fraction form
    314,928,356.80/472,392,535.20 = 200,042,622.40/x
  3. Step 3: Cross multiply
    314,928,356.80x = 472,392,535.20 × 200,042,622.40
  4. Step 4: Simplify right side
    314,928,356.80x = 94,498,641,543,592,304
  5. Step 5: Solve for x
    x = 94,498,641,543,592,304/314,928,356.80
  6. Step 6: Final answer
    x = 300,063,933.60

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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.