Home / 820,200,698,018.48-1,230,654,604,093.30-442,817,556,451.76

Finding the Fourth Proportional to 820,200,698,018.48, 1,230,654,604,093.30 and 442,817,556,451.76

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Solution

The fourth proportional to 820,200,698,018.48, 1,230,654,604,093.30 and 442,817,556,451.76 is: 664,417,216,343.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,200,698,018.48 : 1,230,654,604,093.30 = 442,817,556,451.76 : x
  2. Step 2: Convert to fraction form
    820,200,698,018.48/1,230,654,604,093.30 = 442,817,556,451.76/x
  3. Step 3: Cross multiply
    820,200,698,018.48x = 1,230,654,604,093.30 × 442,817,556,451.76
  4. Step 4: Simplify right side
    820,200,698,018.48x = 544,955,464,620,703,274,237,952
  5. Step 5: Solve for x
    x = 544,955,464,620,703,274,237,952/820,200,698,018.48
  6. Step 6: Final answer
    x = 664,417,216,343.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.