Home / 315,218,230.20-472,827,345.30-194,285,878.20

Finding the Fourth Proportional to 315,218,230.20, 472,827,345.30 and 194,285,878.20

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Solution

The fourth proportional to 315,218,230.20, 472,827,345.30 and 194,285,878.20 is: 291,428,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,218,230.20 : 472,827,345.30 = 194,285,878.20 : x
  2. Step 2: Convert to fraction form
    315,218,230.20/472,827,345.30 = 194,285,878.20/x
  3. Step 3: Cross multiply
    315,218,230.20x = 472,827,345.30 × 194,285,878.20
  4. Step 4: Simplify right side
    315,218,230.20x = 91,863,676,018,585,136
  5. Step 5: Solve for x
    x = 91,863,676,018,585,136/315,218,230.20
  6. Step 6: Final answer
    x = 291,428,817.30

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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.