Home / 295,245,602.70-442,868,404.05-213,191,112.30

Finding the Fourth Proportional to 295,245,602.70, 442,868,404.05 and 213,191,112.30

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Solution

The fourth proportional to 295,245,602.70, 442,868,404.05 and 213,191,112.30 is: 319,786,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,245,602.70 : 442,868,404.05 = 213,191,112.30 : x
  2. Step 2: Convert to fraction form
    295,245,602.70/442,868,404.05 = 213,191,112.30/x
  3. Step 3: Cross multiply
    295,245,602.70x = 442,868,404.05 × 213,191,112.30
  4. Step 4: Simplify right side
    295,245,602.70x = 94,415,607,661,945,328
  5. Step 5: Solve for x
    x = 94,415,607,661,945,328/295,245,602.70
  6. Step 6: Final answer
    x = 319,786,668.45

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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.