Home / 675,223,985.71-1,012,694,258.94-190,436,419.63

Finding the Fourth Proportional to 675,223,985.71, 1,012,694,258.94 and 190,436,419.63

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Solution

The fourth proportional to 675,223,985.71, 1,012,694,258.94 and 190,436,419.63 is: 285,614,659.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,223,985.71 : 1,012,694,258.94 = 190,436,419.63 : x
  2. Step 2: Convert to fraction form
    675,223,985.71/1,012,694,258.94 = 190,436,419.63/x
  3. Step 3: Cross multiply
    675,223,985.71x = 1,012,694,258.94 × 190,436,419.63
  4. Step 4: Simplify right side
    675,223,985.71x = 192,853,868,852,389,728
  5. Step 5: Solve for x
    x = 192,853,868,852,389,728/675,223,985.71
  6. Step 6: Final answer
    x = 285,614,659.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.