Home / 1,992,030,255.10-2,988,045,382.65-611,842,548.70

Finding the Fourth Proportional to 1,992,030,255.10, 2,988,045,382.65 and 611,842,548.70

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Solution

The fourth proportional to 1,992,030,255.10, 2,988,045,382.65 and 611,842,548.70 is: 917,763,823.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,030,255.10 : 2,988,045,382.65 = 611,842,548.70 : x
  2. Step 2: Convert to fraction form
    1,992,030,255.10/2,988,045,382.65 = 611,842,548.70/x
  3. Step 3: Cross multiply
    1,992,030,255.10x = 2,988,045,382.65 × 611,842,548.70
  4. Step 4: Simplify right side
    1,992,030,255.10x = 1,828,213,302,551,843,072
  5. Step 5: Solve for x
    x = 1,828,213,302,551,843,072/1,992,030,255.10
  6. Step 6: Final answer
    x = 917,763,823.05

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Double scale
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Similar ratio
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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.