Home / 834,843,076.49-1,252,263,895.22-213,058,258.40

Finding the Fourth Proportional to 834,843,076.49, 1,252,263,895.22 and 213,058,258.40

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Solution

The fourth proportional to 834,843,076.49, 1,252,263,895.22 and 213,058,258.40 is: 319,587,203.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,843,076.49 : 1,252,263,895.22 = 213,058,258.40 : x
  2. Step 2: Convert to fraction form
    834,843,076.49/1,252,263,895.22 = 213,058,258.40/x
  3. Step 3: Cross multiply
    834,843,076.49x = 1,252,263,895.22 × 213,058,258.40
  4. Step 4: Simplify right side
    834,843,076.49x = 266,805,164,576,436,608
  5. Step 5: Solve for x
    x = 266,805,164,576,436,608/834,843,076.49
  6. Step 6: Final answer
    x = 319,587,203.98

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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.