Home / 526,628,308.31-789,843,702.80-264,242,408.57

Finding the Fourth Proportional to 526,628,308.31, 789,843,702.80 and 264,242,408.57

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Solution

The fourth proportional to 526,628,308.31, 789,843,702.80 and 264,242,408.57 is: 396,314,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,628,308.31 : 789,843,702.80 = 264,242,408.57 : x
  2. Step 2: Convert to fraction form
    526,628,308.31/789,843,702.80 = 264,242,408.57/x
  3. Step 3: Cross multiply
    526,628,308.31x = 789,843,702.80 × 264,242,408.57
  4. Step 4: Simplify right side
    526,628,308.31x = 208,710,202,421,719,232
  5. Step 5: Solve for x
    x = 208,710,202,421,719,232/526,628,308.31
  6. Step 6: Final answer
    x = 396,314,058.95

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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.