Home / 858,499,829.20-1,287,819,727.80-367,216,814.80

Finding the Fourth Proportional to 858,499,829.20, 1,287,819,727.80 and 367,216,814.80

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Solution

The fourth proportional to 858,499,829.20, 1,287,819,727.80 and 367,216,814.80 is: 550,855,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,499,829.20 : 1,287,819,727.80 = 367,216,814.80 : x
  2. Step 2: Convert to fraction form
    858,499,829.20/1,287,819,727.80 = 367,216,814.80/x
  3. Step 3: Cross multiply
    858,499,829.20x = 1,287,819,727.80 × 367,216,814.80
  4. Step 4: Simplify right side
    858,499,829.20x = 472,909,058,479,319,040
  5. Step 5: Solve for x
    x = 472,909,058,479,319,040/858,499,829.20
  6. Step 6: Final answer
    x = 550,855,157.33

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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.