Home / 394,270,532.96-544,071,294.88-215,619,139.36

Finding the Fourth Proportional to 394,270,532.96, 544,071,294.88 and 215,619,139.36

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Solution

The fourth proportional to 394,270,532.96, 544,071,294.88 and 215,619,139.36 is: 297,542,358.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,270,532.96 : 544,071,294.88 = 215,619,139.36 : x
  2. Step 2: Convert to fraction form
    394,270,532.96/544,071,294.88 = 215,619,139.36/x
  3. Step 3: Cross multiply
    394,270,532.96x = 544,071,294.88 × 215,619,139.36
  4. Step 4: Simplify right side
    394,270,532.96x = 117,312,184,352,506,384
  5. Step 5: Solve for x
    x = 117,312,184,352,506,384/394,270,532.96
  6. Step 6: Final answer
    x = 297,542,358.72

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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.