Home / 315,218,205.70-472,827,308.55-194,285,853.70

Finding the Fourth Proportional to 315,218,205.70, 472,827,308.55 and 194,285,853.70

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Solution

The fourth proportional to 315,218,205.70, 472,827,308.55 and 194,285,853.70 is: 291,428,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,218,205.70 : 472,827,308.55 = 194,285,853.70 : x
  2. Step 2: Convert to fraction form
    315,218,205.70/472,827,308.55 = 194,285,853.70/x
  3. Step 3: Cross multiply
    315,218,205.70x = 472,827,308.55 × 194,285,853.70
  4. Step 4: Simplify right side
    315,218,205.70x = 91,863,657,294,310,048
  5. Step 5: Solve for x
    x = 91,863,657,294,310,048/315,218,205.70
  6. Step 6: Final answer
    x = 291,428,780.55

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Double scale
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Similar ratio
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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.