Home / 679,041,668.25-937,077,511.91-369,992,324.25

Finding the Fourth Proportional to 679,041,668.25, 937,077,511.91 and 369,992,324.25

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Solution

The fourth proportional to 679,041,668.25, 937,077,511.91 and 369,992,324.25 is: 510,589,412.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,041,668.25 : 937,077,511.91 = 369,992,324.25 : x
  2. Step 2: Convert to fraction form
    679,041,668.25/937,077,511.91 = 369,992,324.25/x
  3. Step 3: Cross multiply
    679,041,668.25x = 937,077,511.91 × 369,992,324.25
  4. Step 4: Simplify right side
    679,041,668.25x = 346,711,486,632,137,984
  5. Step 5: Solve for x
    x = 346,711,486,632,137,984/679,041,668.25
  6. Step 6: Final answer
    x = 510,589,412.76

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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.