Home / 487,931,483,998.80-673,336,389,432.18-268,195,478,652.16

Finding the Fourth Proportional to 487,931,483,998.80, 673,336,389,432.18 and 268,195,478,652.16

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Solution

The fourth proportional to 487,931,483,998.80, 673,336,389,432.18 and 268,195,478,652.16 is: 370,104,781,469.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,931,483,998.80 : 673,336,389,432.18 = 268,195,478,652.16 : x
  2. Step 2: Convert to fraction form
    487,931,483,998.80/673,336,389,432.18 = 268,195,478,652.16/x
  3. Step 3: Cross multiply
    487,931,483,998.80x = 673,336,389,432.18 × 268,195,478,652.16
  4. Step 4: Simplify right side
    487,931,483,998.80x = 180,585,775,257,680,741,400,576
  5. Step 5: Solve for x
    x = 180,585,775,257,680,741,400,576/487,931,483,998.80
  6. Step 6: Final answer
    x = 370,104,781,469.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.