Home / 1,329,988,935,729.10-1,994,781,831,892.40-361,972,809,877.92

Finding the Fourth Proportional to 1,329,988,935,729.10, 1,994,781,831,892.40 and 361,972,809,877.92

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Solution

The fourth proportional to 1,329,988,935,729.10, 1,994,781,831,892.40 and 361,972,809,877.92 is: 542,904,354,604.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,988,935,729.10 : 1,994,781,831,892.40 = 361,972,809,877.92 : x
  2. Step 2: Convert to fraction form
    1,329,988,935,729.10/1,994,781,831,892.40 = 361,972,809,877.92/x
  3. Step 3: Cross multiply
    1,329,988,935,729.10x = 1,994,781,831,892.40 × 361,972,809,877.92
  4. Step 4: Simplify right side
    1,329,988,935,729.10x = 722,056,784,783,516,572,319,744
  5. Step 5: Solve for x
    x = 722,056,784,783,516,572,319,744/1,329,988,935,729.10
  6. Step 6: Final answer
    x = 542,904,354,604.79

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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.