Home / 402,838,706,418.62-555,914,536,616.40-219,935,802,084.62

Finding the Fourth Proportional to 402,838,706,418.62, 555,914,536,616.40 and 219,935,802,084.62

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Solution

The fourth proportional to 402,838,706,418.62, 555,914,536,616.40 and 219,935,802,084.62 is: 303,509,835,458.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,838,706,418.62 : 555,914,536,616.40 = 219,935,802,084.62 : x
  2. Step 2: Convert to fraction form
    402,838,706,418.62/555,914,536,616.40 = 219,935,802,084.62/x
  3. Step 3: Cross multiply
    402,838,706,418.62x = 555,914,536,616.40 × 219,935,802,084.62
  4. Step 4: Simplify right side
    402,838,706,418.62x = 122,265,509,501,227,793,121,280
  5. Step 5: Solve for x
    x = 122,265,509,501,227,793,121,280/402,838,706,418.62
  6. Step 6: Final answer
    x = 303,509,835,458.00

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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.