Home / 31,292,607,609.30-46,938,911,413.95-18,864,540,959.70

Finding the Fourth Proportional to 31,292,607,609.30, 46,938,911,413.95 and 18,864,540,959.70

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Solution

The fourth proportional to 31,292,607,609.30, 46,938,911,413.95 and 18,864,540,959.70 is: 28,296,811,439.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,292,607,609.30 : 46,938,911,413.95 = 18,864,540,959.70 : x
  2. Step 2: Convert to fraction form
    31,292,607,609.30/46,938,911,413.95 = 18,864,540,959.70/x
  3. Step 3: Cross multiply
    31,292,607,609.30x = 46,938,911,413.95 × 18,864,540,959.70
  4. Step 4: Simplify right side
    31,292,607,609.30x = 885,481,016,972,189,630,464
  5. Step 5: Solve for x
    x = 885,481,016,972,189,630,464/31,292,607,609.30
  6. Step 6: Final answer
    x = 28,296,811,439.55

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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.