Home / 1,392,806,980.46-1,922,073,568.50-766,261,956.32

Finding the Fourth Proportional to 1,392,806,980.46, 1,922,073,568.50 and 766,261,956.32

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Solution

The fourth proportional to 1,392,806,980.46, 1,922,073,568.50 and 766,261,956.32 is: 1,057,441,464.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,806,980.46 : 1,922,073,568.50 = 766,261,956.32 : x
  2. Step 2: Convert to fraction form
    1,392,806,980.46/1,922,073,568.50 = 766,261,956.32/x
  3. Step 3: Cross multiply
    1,392,806,980.46x = 1,922,073,568.50 × 766,261,956.32
  4. Step 4: Simplify right side
    1,392,806,980.46x = 1,472,811,852,789,773,568
  5. Step 5: Solve for x
    x = 1,472,811,852,789,773,568/1,392,806,980.46
  6. Step 6: Final answer
    x = 1,057,441,464.22

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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.