Home / 314,891,036.40-472,336,554.60-200,383,215.60

Finding the Fourth Proportional to 314,891,036.40, 472,336,554.60 and 200,383,215.60

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Solution

The fourth proportional to 314,891,036.40, 472,336,554.60 and 200,383,215.60 is: 300,574,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,891,036.40 : 472,336,554.60 = 200,383,215.60 : x
  2. Step 2: Convert to fraction form
    314,891,036.40/472,336,554.60 = 200,383,215.60/x
  3. Step 3: Cross multiply
    314,891,036.40x = 472,336,554.60 × 200,383,215.60
  4. Step 4: Simplify right side
    314,891,036.40x = 94,648,317,656,172,976
  5. Step 5: Solve for x
    x = 94,648,317,656,172,976/314,891,036.40
  6. Step 6: Final answer
    x = 300,574,823.40

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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.