Home / 1,268,863,767.68-1,751,037,038.22-711,910,450.40

Finding the Fourth Proportional to 1,268,863,767.68, 1,751,037,038.22 and 711,910,450.40

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Solution

The fourth proportional to 1,268,863,767.68, 1,751,037,038.22 and 711,910,450.40 is: 982,439,248.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,863,767.68 : 1,751,037,038.22 = 711,910,450.40 : x
  2. Step 2: Convert to fraction form
    1,268,863,767.68/1,751,037,038.22 = 711,910,450.40/x
  3. Step 3: Cross multiply
    1,268,863,767.68x = 1,751,037,038.22 × 711,910,450.40
  4. Step 4: Simplify right side
    1,268,863,767.68x = 1,246,581,566,546,282,240
  5. Step 5: Solve for x
    x = 1,246,581,566,546,282,240/1,268,863,767.68
  6. Step 6: Final answer
    x = 982,439,248.64

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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.