Home / 315,218,204.70-472,827,307.05-194,285,852.70

Finding the Fourth Proportional to 315,218,204.70, 472,827,307.05 and 194,285,852.70

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Solution

The fourth proportional to 315,218,204.70, 472,827,307.05 and 194,285,852.70 is: 291,428,779.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,218,204.70 : 472,827,307.05 = 194,285,852.70 : x
  2. Step 2: Convert to fraction form
    315,218,204.70/472,827,307.05 = 194,285,852.70/x
  3. Step 3: Cross multiply
    315,218,204.70x = 472,827,307.05 × 194,285,852.70
  4. Step 4: Simplify right side
    315,218,204.70x = 91,863,656,530,053,968
  5. Step 5: Solve for x
    x = 91,863,656,530,053,968/315,218,204.70
  6. Step 6: Final answer
    x = 291,428,779.05

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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.