Home / 293,533,178.67-439,341,672.47-215,789,502.20

Finding the Fourth Proportional to 293,533,178.67, 439,341,672.47 and 215,789,502.20

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Solution

The fourth proportional to 293,533,178.67, 439,341,672.47 and 215,789,502.20 is: 322,979,913.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,533,178.67 : 439,341,672.47 = 215,789,502.20 : x
  2. Step 2: Convert to fraction form
    293,533,178.67/439,341,672.47 = 215,789,502.20/x
  3. Step 3: Cross multiply
    293,533,178.67x = 439,341,672.47 × 215,789,502.20
  4. Step 4: Simplify right side
    293,533,178.67x = 94,805,320,794,741,072
  5. Step 5: Solve for x
    x = 94,805,320,794,741,072/293,533,178.67
  6. Step 6: Final answer
    x = 322,979,913.97

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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.