Home / 315,145,260.30-472,717,890.45-310,840,588.20

Finding the Fourth Proportional to 315,145,260.30, 472,717,890.45 and 310,840,588.20

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Solution

The fourth proportional to 315,145,260.30, 472,717,890.45 and 310,840,588.20 is: 466,260,882.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,145,260.30 : 472,717,890.45 = 310,840,588.20 : x
  2. Step 2: Convert to fraction form
    315,145,260.30/472,717,890.45 = 310,840,588.20/x
  3. Step 3: Cross multiply
    315,145,260.30x = 472,717,890.45 × 310,840,588.20
  4. Step 4: Simplify right side
    315,145,260.30x = 146,939,907,120,141,152
  5. Step 5: Solve for x
    x = 146,939,907,120,141,152/315,145,260.30
  6. Step 6: Final answer
    x = 466,260,882.30

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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.