Home / 304,999,656.39-421,072,367.90-233,337,713.13

Finding the Fourth Proportional to 304,999,656.39, 421,072,367.90 and 233,337,713.13

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Solution

The fourth proportional to 304,999,656.39, 421,072,367.90 and 233,337,713.13 is: 322,138,275.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,999,656.39 : 421,072,367.90 = 233,337,713.13 : x
  2. Step 2: Convert to fraction form
    304,999,656.39/421,072,367.90 = 233,337,713.13/x
  3. Step 3: Cross multiply
    304,999,656.39x = 421,072,367.90 × 233,337,713.13
  4. Step 4: Simplify right side
    304,999,656.39x = 98,252,063,386,853,328
  5. Step 5: Solve for x
    x = 98,252,063,386,853,328/304,999,656.39
  6. Step 6: Final answer
    x = 322,138,275.66

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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.