Home / 1,380,036,311.01-2,068,845,143.00-518,997,964.77

Finding the Fourth Proportional to 1,380,036,311.01, 2,068,845,143.00 and 518,997,964.77

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Solution

The fourth proportional to 1,380,036,311.01, 2,068,845,143.00 and 518,997,964.77 is: 778,042,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,036,311.01 : 2,068,845,143.00 = 518,997,964.77 : x
  2. Step 2: Convert to fraction form
    1,380,036,311.01/2,068,845,143.00 = 518,997,964.77/x
  3. Step 3: Cross multiply
    1,380,036,311.01x = 2,068,845,143.00 × 518,997,964.77
  4. Step 4: Simplify right side
    1,380,036,311.01x = 1,073,726,418,638,704,512
  5. Step 5: Solve for x
    x = 1,073,726,418,638,704,512/1,380,036,311.01
  6. Step 6: Final answer
    x = 778,042,150.10

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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.