Home / 1,992,039,427.40-2,988,059,141.10-699,574,915.40

Finding the Fourth Proportional to 1,992,039,427.40, 2,988,059,141.10 and 699,574,915.40

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Solution

The fourth proportional to 1,992,039,427.40, 2,988,059,141.10 and 699,574,915.40 is: 1,049,362,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,039,427.40 : 2,988,059,141.10 = 699,574,915.40 : x
  2. Step 2: Convert to fraction form
    1,992,039,427.40/2,988,059,141.10 = 699,574,915.40/x
  3. Step 3: Cross multiply
    1,992,039,427.40x = 2,988,059,141.10 × 699,574,915.40
  4. Step 4: Simplify right side
    1,992,039,427.40x = 2,090,371,220,845,229,056
  5. Step 5: Solve for x
    x = 2,090,371,220,845,229,056/1,992,039,427.40
  6. Step 6: Final answer
    x = 1,049,362,373.10

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1.5x scale

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.