Home / 865,754,335.51-1,194,708,975.30-469,268,812.41

Finding the Fourth Proportional to 865,754,335.51, 1,194,708,975.30 and 469,268,812.41

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Solution

The fourth proportional to 865,754,335.51, 1,194,708,975.30 and 469,268,812.41 is: 647,573,611.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,754,335.51 : 1,194,708,975.30 = 469,268,812.41 : x
  2. Step 2: Convert to fraction form
    865,754,335.51/1,194,708,975.30 = 469,268,812.41/x
  3. Step 3: Cross multiply
    865,754,335.51x = 1,194,708,975.30 × 469,268,812.41
  4. Step 4: Simplify right side
    865,754,335.51x = 560,639,662,014,599,040
  5. Step 5: Solve for x
    x = 560,639,662,014,599,040/865,754,335.51
  6. Step 6: Final answer
    x = 647,573,611.84

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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.