Home / 2,630,047,386.57-3,945,578,647.03-858,941,964.44

Finding the Fourth Proportional to 2,630,047,386.57, 3,945,578,647.03 and 858,941,964.44

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Solution

The fourth proportional to 2,630,047,386.57, 3,945,578,647.03 and 858,941,964.44 is: 1,288,578,712.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630,047,386.57 : 3,945,578,647.03 = 858,941,964.44 : x
  2. Step 2: Convert to fraction form
    2,630,047,386.57/3,945,578,647.03 = 858,941,964.44/x
  3. Step 3: Cross multiply
    2,630,047,386.57x = 3,945,578,647.03 × 858,941,964.44
  4. Step 4: Simplify right side
    2,630,047,386.57x = 3,389,023,073,917,959,680
  5. Step 5: Solve for x
    x = 3,389,023,073,917,959,680/2,630,047,386.57
  6. Step 6: Final answer
    x = 1,288,578,712.01

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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.