Home / 865,754,334.51-1,194,708,973.92-469,268,811.41

Finding the Fourth Proportional to 865,754,334.51, 1,194,708,973.92 and 469,268,811.41

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Solution

The fourth proportional to 865,754,334.51, 1,194,708,973.92 and 469,268,811.41 is: 647,573,610.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,754,334.51 : 1,194,708,973.92 = 469,268,811.41 : x
  2. Step 2: Convert to fraction form
    865,754,334.51/1,194,708,973.92 = 469,268,811.41/x
  3. Step 3: Cross multiply
    865,754,334.51x = 1,194,708,973.92 × 469,268,811.41
  4. Step 4: Simplify right side
    865,754,334.51x = 560,639,660,172,299,136
  5. Step 5: Solve for x
    x = 560,639,660,172,299,136/865,754,334.51
  6. Step 6: Final answer
    x = 647,573,610.46

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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.