Home / 1,206,804,590.10-1,810,206,885.15-431,325,882.90

Finding the Fourth Proportional to 1,206,804,590.10, 1,810,206,885.15 and 431,325,882.90

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Solution

The fourth proportional to 1,206,804,590.10, 1,810,206,885.15 and 431,325,882.90 is: 646,988,824.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,804,590.10 : 1,810,206,885.15 = 431,325,882.90 : x
  2. Step 2: Convert to fraction form
    1,206,804,590.10/1,810,206,885.15 = 431,325,882.90/x
  3. Step 3: Cross multiply
    1,206,804,590.10x = 1,810,206,885.15 × 431,325,882.90
  4. Step 4: Simplify right side
    1,206,804,590.10x = 780,789,082,968,982,656
  5. Step 5: Solve for x
    x = 780,789,082,968,982,656/1,206,804,590.10
  6. Step 6: Final answer
    x = 646,988,824.35

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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.