Home / 394,014,403,178.04-543,725,309,370.06-213,569,436,221.40

Finding the Fourth Proportional to 394,014,403,178.04, 543,725,309,370.06 and 213,569,436,221.40

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Solution

The fourth proportional to 394,014,403,178.04, 543,725,309,370.06 and 213,569,436,221.40 is: 294,717,926,159.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,014,403,178.04 : 543,725,309,370.06 = 213,569,436,221.40 : x
  2. Step 2: Convert to fraction form
    394,014,403,178.04/543,725,309,370.06 = 213,569,436,221.40/x
  3. Step 3: Cross multiply
    394,014,403,178.04x = 543,725,309,370.06 × 213,569,436,221.40
  4. Step 4: Simplify right side
    394,014,403,178.04x = 116,123,107,781,470,012,309,504
  5. Step 5: Solve for x
    x = 116,123,107,781,470,012,309,504/394,014,403,178.04
  6. Step 6: Final answer
    x = 294,717,926,159.16

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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.