Home / 3,931,953,759.90-5,426,114,682.64-2,147,831,964.90

Finding the Fourth Proportional to 3,931,953,759.90, 5,426,114,682.64 and 2,147,831,964.90

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Solution

The fourth proportional to 3,931,953,759.90, 5,426,114,682.64 and 2,147,831,964.90 is: 2,964,018,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,953,759.90 : 5,426,114,682.64 = 2,147,831,964.90 : x
  2. Step 2: Convert to fraction form
    3,931,953,759.90/5,426,114,682.64 = 2,147,831,964.90/x
  3. Step 3: Cross multiply
    3,931,953,759.90x = 5,426,114,682.64 × 2,147,831,964.90
  4. Step 4: Simplify right side
    3,931,953,759.90x = 11,654,382,560,587,411,456
  5. Step 5: Solve for x
    x = 11,654,382,560,587,411,456/3,931,953,759.90
  6. Step 6: Final answer
    x = 2,964,018,213.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.