Home / 406,713,711.67-561,326,274.14-248,035,891.82

Finding the Fourth Proportional to 406,713,711.67, 561,326,274.14 and 248,035,891.82

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Solution

The fourth proportional to 406,713,711.67, 561,326,274.14 and 248,035,891.82 is: 342,326,946.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,713,711.67 : 561,326,274.14 = 248,035,891.82 : x
  2. Step 2: Convert to fraction form
    406,713,711.67/561,326,274.14 = 248,035,891.82/x
  3. Step 3: Cross multiply
    406,713,711.67x = 561,326,274.14 × 248,035,891.82
  4. Step 4: Simplify right side
    406,713,711.67x = 139,229,063,004,265,888
  5. Step 5: Solve for x
    x = 139,229,063,004,265,888/406,713,711.67
  6. Step 6: Final answer
    x = 342,326,946.48

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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.