Home / 581,930,415.12-873,010,613.54-213,468,789.36

Finding the Fourth Proportional to 581,930,415.12, 873,010,613.54 and 213,468,789.36

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Solution

The fourth proportional to 581,930,415.12, 873,010,613.54 and 213,468,789.36 is: 320,245,365.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,930,415.12 : 873,010,613.54 = 213,468,789.36 : x
  2. Step 2: Convert to fraction form
    581,930,415.12/873,010,613.54 = 213,468,789.36/x
  3. Step 3: Cross multiply
    581,930,415.12x = 873,010,613.54 × 213,468,789.36
  4. Step 4: Simplify right side
    581,930,415.12x = 186,360,518,770,814,624
  5. Step 5: Solve for x
    x = 186,360,518,770,814,624/581,930,415.12
  6. Step 6: Final answer
    x = 320,245,365.99

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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.