Home / 315,521,229.60-473,281,844.40-310,986,266.40

Finding the Fourth Proportional to 315,521,229.60, 473,281,844.40 and 310,986,266.40

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Solution

The fourth proportional to 315,521,229.60, 473,281,844.40 and 310,986,266.40 is: 466,479,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,521,229.60 : 473,281,844.40 = 310,986,266.40 : x
  2. Step 2: Convert to fraction form
    315,521,229.60/473,281,844.40 = 310,986,266.40/x
  3. Step 3: Cross multiply
    315,521,229.60x = 473,281,844.40 × 310,986,266.40
  4. Step 4: Simplify right side
    315,521,229.60x = 147,184,153,744,861,728
  5. Step 5: Solve for x
    x = 147,184,153,744,861,728/315,521,229.60
  6. Step 6: Final answer
    x = 466,479,399.60

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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.