Home / 1,329,988,935,905.10-1,994,781,832,156.80-361,972,810,053.24

Finding the Fourth Proportional to 1,329,988,935,905.10, 1,994,781,832,156.80 and 361,972,810,053.24

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Solution

The fourth proportional to 1,329,988,935,905.10, 1,994,781,832,156.80 and 361,972,810,053.24 is: 542,904,354,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,988,935,905.10 : 1,994,781,832,156.80 = 361,972,810,053.24 : x
  2. Step 2: Convert to fraction form
    1,329,988,935,905.10/1,994,781,832,156.80 = 361,972,810,053.24/x
  3. Step 3: Cross multiply
    1,329,988,935,905.10x = 1,994,781,832,156.80 × 361,972,810,053.24
  4. Step 4: Simplify right side
    1,329,988,935,905.10x = 722,056,785,228,947,496,370,176
  5. Step 5: Solve for x
    x = 722,056,785,228,947,496,370,176/1,329,988,935,905.10
  6. Step 6: Final answer
    x = 542,904,354,867.86

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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.