Home / 484,977,983.68-669,269,885.46-261,959,663.92

Finding the Fourth Proportional to 484,977,983.68, 669,269,885.46 and 261,959,663.92

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Solution

The fourth proportional to 484,977,983.68, 669,269,885.46 and 261,959,663.92 is: 361,504,480.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,977,983.68 : 669,269,885.46 = 261,959,663.92 : x
  2. Step 2: Convert to fraction form
    484,977,983.68/669,269,885.46 = 261,959,663.92/x
  3. Step 3: Cross multiply
    484,977,983.68x = 669,269,885.46 × 261,959,663.92
  4. Step 4: Simplify right side
    484,977,983.68x = 175,321,714,266,878,496
  5. Step 5: Solve for x
    x = 175,321,714,266,878,496/484,977,983.68
  6. Step 6: Final answer
    x = 361,504,480.96

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1.5x scale

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.