Home / 1,838,393,992.32-2,741,399,978.34-1,821,813,033.12

Finding the Fourth Proportional to 1,838,393,992.32, 2,741,399,978.34 and 1,821,813,033.12

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Solution

The fourth proportional to 1,838,393,992.32, 2,741,399,978.34 and 1,821,813,033.12 is: 2,716,674,570.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,393,992.32 : 2,741,399,978.34 = 1,821,813,033.12 : x
  2. Step 2: Convert to fraction form
    1,838,393,992.32/2,741,399,978.34 = 1,821,813,033.12/x
  3. Step 3: Cross multiply
    1,838,393,992.32x = 2,741,399,978.34 × 1,821,813,033.12
  4. Step 4: Simplify right side
    1,838,393,992.32x = 4,994,318,209,534,697,472
  5. Step 5: Solve for x
    x = 4,994,318,209,534,697,472/1,838,393,992.32
  6. Step 6: Final answer
    x = 2,716,674,570.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.