Home / 2,528,343,362.40-3,789,964,126.80-1,149,147,679.20

Finding the Fourth Proportional to 2,528,343,362.40, 3,789,964,126.80 and 1,149,147,679.20

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Solution

The fourth proportional to 2,528,343,362.40, 3,789,964,126.80 and 1,149,147,679.20 is: 1,722,562,111.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528,343,362.40 : 3,789,964,126.80 = 1,149,147,679.20 : x
  2. Step 2: Convert to fraction form
    2,528,343,362.40/3,789,964,126.80 = 1,149,147,679.20/x
  3. Step 3: Cross multiply
    2,528,343,362.40x = 3,789,964,126.80 × 1,149,147,679.20
  4. Step 4: Simplify right side
    2,528,343,362.40x = 4,355,228,480,563,474,944
  5. Step 5: Solve for x
    x = 4,355,228,480,563,474,944/2,528,343,362.40
  6. Step 6: Final answer
    x = 1,722,562,111.35

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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.