Home / 317,615,304.59-476,017,134.43-256,233,409.82

Finding the Fourth Proportional to 317,615,304.59, 476,017,134.43 and 256,233,409.82

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Solution

The fourth proportional to 317,615,304.59, 476,017,134.43 and 256,233,409.82 is: 384,022,720.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,615,304.59 : 476,017,134.43 = 256,233,409.82 : x
  2. Step 2: Convert to fraction form
    317,615,304.59/476,017,134.43 = 256,233,409.82/x
  3. Step 3: Cross multiply
    317,615,304.59x = 476,017,134.43 × 256,233,409.82
  4. Step 4: Simplify right side
    317,615,304.59x = 121,971,493,487,744,224
  5. Step 5: Solve for x
    x = 121,971,493,487,744,224/317,615,304.59
  6. Step 6: Final answer
    x = 384,022,720.96

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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.