Home / 1,329,988,936,209.60-1,994,781,832,612.30-361,972,810,357.56

Finding the Fourth Proportional to 1,329,988,936,209.60, 1,994,781,832,612.30 and 361,972,810,357.56

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Solution

The fourth proportional to 1,329,988,936,209.60, 1,994,781,832,612.30 and 361,972,810,357.56 is: 542,904,355,323.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,988,936,209.60 : 1,994,781,832,612.30 = 361,972,810,357.56 : x
  2. Step 2: Convert to fraction form
    1,329,988,936,209.60/1,994,781,832,612.30 = 361,972,810,357.56/x
  3. Step 3: Cross multiply
    1,329,988,936,209.60x = 1,994,781,832,612.30 × 361,972,810,357.56
  4. Step 4: Simplify right side
    1,329,988,936,209.60x = 722,056,786,000,878,076,166,144
  5. Step 5: Solve for x
    x = 722,056,786,000,878,076,166,144/1,329,988,936,209.60
  6. Step 6: Final answer
    x = 542,904,355,323.96

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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.