Home / 1,385,544,933.30-1,912,036,788.93-750,449,635.77

Finding the Fourth Proportional to 1,385,544,933.30, 1,912,036,788.93 and 750,449,635.77

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Solution

The fourth proportional to 1,385,544,933.30, 1,912,036,788.93 and 750,449,635.77 is: 1,035,612,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,544,933.30 : 1,912,036,788.93 = 750,449,635.77 : x
  2. Step 2: Convert to fraction form
    1,385,544,933.30/1,912,036,788.93 = 750,449,635.77/x
  3. Step 3: Cross multiply
    1,385,544,933.30x = 1,912,036,788.93 × 750,449,635.77
  4. Step 4: Simplify right side
    1,385,544,933.30x = 1,434,887,311,831,358,976
  5. Step 5: Solve for x
    x = 1,434,887,311,831,358,976/1,385,544,933.30
  6. Step 6: Final answer
    x = 1,035,612,254.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.