Home / 472,396,130.55-708,594,195.83-213,619,792.95

Finding the Fourth Proportional to 472,396,130.55, 708,594,195.83 and 213,619,792.95

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Solution

The fourth proportional to 472,396,130.55, 708,594,195.83 and 213,619,792.95 is: 320,429,689.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,396,130.55 : 708,594,195.83 = 213,619,792.95 : x
  2. Step 2: Convert to fraction form
    472,396,130.55/708,594,195.83 = 213,619,792.95/x
  3. Step 3: Cross multiply
    472,396,130.55x = 708,594,195.83 × 213,619,792.95
  4. Step 4: Simplify right side
    472,396,130.55x = 151,369,745,397,708,256
  5. Step 5: Solve for x
    x = 151,369,745,397,708,256/472,396,130.55
  6. Step 6: Final answer
    x = 320,429,689.43

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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.