Home / 475,770,294.74-713,689,838.16-199,143,296.82

Finding the Fourth Proportional to 475,770,294.74, 713,689,838.16 and 199,143,296.82

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Solution

The fourth proportional to 475,770,294.74, 713,689,838.16 and 199,143,296.82 is: 298,729,342.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,770,294.74 : 713,689,838.16 = 199,143,296.82 : x
  2. Step 2: Convert to fraction form
    475,770,294.74/713,689,838.16 = 199,143,296.82/x
  3. Step 3: Cross multiply
    475,770,294.74x = 713,689,838.16 × 199,143,296.82
  4. Step 4: Simplify right side
    475,770,294.74x = 142,126,547,277,367,856
  5. Step 5: Solve for x
    x = 142,126,547,277,367,856/475,770,294.74
  6. Step 6: Final answer
    x = 298,729,342.39

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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.