Home / 858,499,828.20-1,287,819,726.30-367,216,813.80

Finding the Fourth Proportional to 858,499,828.20, 1,287,819,726.30 and 367,216,813.80

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Solution

The fourth proportional to 858,499,828.20, 1,287,819,726.30 and 367,216,813.80 is: 550,855,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,499,828.20 : 1,287,819,726.30 = 367,216,813.80 : x
  2. Step 2: Convert to fraction form
    858,499,828.20/1,287,819,726.30 = 367,216,813.80/x
  3. Step 3: Cross multiply
    858,499,828.20x = 1,287,819,726.30 × 367,216,813.80
  4. Step 4: Simplify right side
    858,499,828.20x = 472,909,056,640,674,048
  5. Step 5: Solve for x
    x = 472,909,056,640,674,048/858,499,828.20
  6. Step 6: Final answer
    x = 550,855,155.83

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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.