Home / 12,592,129,413.90-18,888,194,120.85-3,868,427,858.70

Finding the Fourth Proportional to 12,592,129,413.90, 18,888,194,120.85 and 3,868,427,858.70

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Solution

The fourth proportional to 12,592,129,413.90, 18,888,194,120.85 and 3,868,427,858.70 is: 5,802,641,788.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,592,129,413.90 : 18,888,194,120.85 = 3,868,427,858.70 : x
  2. Step 2: Convert to fraction form
    12,592,129,413.90/18,888,194,120.85 = 3,868,427,858.70/x
  3. Step 3: Cross multiply
    12,592,129,413.90x = 18,888,194,120.85 × 3,868,427,858.70
  4. Step 4: Simplify right side
    12,592,129,413.90x = 73,067,616,337,629,683,712
  5. Step 5: Solve for x
    x = 73,067,616,337,629,683,712/12,592,129,413.90
  6. Step 6: Final answer
    x = 5,802,641,788.05

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Double scale
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1.5x scale

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.