Home / 576,299,021.80-795,292,896.18-311,981,008.60

Finding the Fourth Proportional to 576,299,021.80, 795,292,896.18 and 311,981,008.60

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Solution

The fourth proportional to 576,299,021.80, 795,292,896.18 and 311,981,008.60 is: 430,533,925.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,299,021.80 : 795,292,896.18 = 311,981,008.60 : x
  2. Step 2: Convert to fraction form
    576,299,021.80/795,292,896.18 = 311,981,008.60/x
  3. Step 3: Cross multiply
    576,299,021.80x = 795,292,896.18 × 311,981,008.60
  4. Step 4: Simplify right side
    576,299,021.80x = 248,116,279,882,651,488
  5. Step 5: Solve for x
    x = 248,116,279,882,651,488/576,299,021.80
  6. Step 6: Final answer
    x = 430,533,925.09

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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.