Home / 1,188,393,686.80-1,781,078,875.80-573,654,230.80

Finding the Fourth Proportional to 1,188,393,686.80, 1,781,078,875.80 and 573,654,230.80

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Solution

The fourth proportional to 1,188,393,686.80, 1,781,078,875.80 and 573,654,230.80 is: 859,751,649.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,393,686.80 : 1,781,078,875.80 = 573,654,230.80 : x
  2. Step 2: Convert to fraction form
    1,188,393,686.80/1,781,078,875.80 = 573,654,230.80/x
  3. Step 3: Cross multiply
    1,188,393,686.80x = 1,781,078,875.80 × 573,654,230.80
  4. Step 4: Simplify right side
    1,188,393,686.80x = 1,021,723,432,491,177,600
  5. Step 5: Solve for x
    x = 1,021,723,432,491,177,600/1,188,393,686.80
  6. Step 6: Final answer
    x = 859,751,649.51

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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.