Home / 661,907,130.08-913,496,359.15-494,352,497.84

Finding the Fourth Proportional to 661,907,130.08, 913,496,359.15 and 494,352,497.84

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Solution

The fourth proportional to 661,907,130.08, 913,496,359.15 and 494,352,497.84 is: 682,254,634.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,907,130.08 : 913,496,359.15 = 494,352,497.84 : x
  2. Step 2: Convert to fraction form
    661,907,130.08/913,496,359.15 = 494,352,497.84/x
  3. Step 3: Cross multiply
    661,907,130.08x = 913,496,359.15 × 494,352,497.84
  4. Step 4: Simplify right side
    661,907,130.08x = 451,589,206,913,955,776
  5. Step 5: Solve for x
    x = 451,589,206,913,955,776/661,907,130.08
  6. Step 6: Final answer
    x = 682,254,634.21

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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.