Home / 557,404,358.02-769,221,005-306,524,927.50

Finding the Fourth Proportional to 557,404,358.02, 769,221,005 and 306,524,927.50

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Solution

The fourth proportional to 557,404,358.02, 769,221,005 and 306,524,927.50 is: 423,006,044.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,404,358.02 : 769,221,005 = 306,524,927.50 : x
  2. Step 2: Convert to fraction form
    557,404,358.02/769,221,005 = 306,524,927.50/x
  3. Step 3: Cross multiply
    557,404,358.02x = 769,221,005 × 306,524,927.50
  4. Step 4: Simplify right side
    557,404,358.02x = 235,785,412,789,102,144
  5. Step 5: Solve for x
    x = 235,785,412,789,102,144/557,404,358.02
  6. Step 6: Final answer
    x = 423,006,044.71

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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.