Home / 1,992,039,464.40-2,988,059,196.60-699,574,952.40

Finding the Fourth Proportional to 1,992,039,464.40, 2,988,059,196.60 and 699,574,952.40

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Solution

The fourth proportional to 1,992,039,464.40, 2,988,059,196.60 and 699,574,952.40 is: 1,049,362,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,039,464.40 : 2,988,059,196.60 = 699,574,952.40 : x
  2. Step 2: Convert to fraction form
    1,992,039,464.40/2,988,059,196.60 = 699,574,952.40/x
  3. Step 3: Cross multiply
    1,992,039,464.40x = 2,988,059,196.60 × 699,574,952.40
  4. Step 4: Simplify right side
    1,992,039,464.40x = 2,090,371,370,229,827,072
  5. Step 5: Solve for x
    x = 2,090,371,370,229,827,072/1,992,039,464.40
  6. Step 6: Final answer
    x = 1,049,362,428.60

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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.