Home / 353,055,567.43-487,013,799.35-220,666,805.47

Finding the Fourth Proportional to 353,055,567.43, 487,013,799.35 and 220,666,805.47

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Solution

The fourth proportional to 353,055,567.43, 487,013,799.35 and 220,666,805.47 is: 304,393,385.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,055,567.43 : 487,013,799.35 = 220,666,805.47 : x
  2. Step 2: Convert to fraction form
    353,055,567.43/487,013,799.35 = 220,666,805.47/x
  3. Step 3: Cross multiply
    353,055,567.43x = 487,013,799.35 × 220,666,805.47
  4. Step 4: Simplify right side
    353,055,567.43x = 107,467,779,323,532,496
  5. Step 5: Solve for x
    x = 107,467,779,323,532,496/353,055,567.43
  6. Step 6: Final answer
    x = 304,393,385.17

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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.