Home / 15,896,649,657.80-21,937,521,605.99-8,760,319,520.73

Finding the Fourth Proportional to 15,896,649,657.80, 21,937,521,605.99 and 8,760,319,520.73

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Solution

The fourth proportional to 15,896,649,657.80, 21,937,521,605.99 and 8,760,319,520.73 is: 12,089,320,888.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896,649,657.80 : 21,937,521,605.99 = 8,760,319,520.73 : x
  2. Step 2: Convert to fraction form
    15,896,649,657.80/21,937,521,605.99 = 8,760,319,520.73/x
  3. Step 3: Cross multiply
    15,896,649,657.80x = 21,937,521,605.99 × 8,760,319,520.73
  4. Step 4: Simplify right side
    15,896,649,657.80x = 192,179,698,761,346,514,944
  5. Step 5: Solve for x
    x = 192,179,698,761,346,514,944/15,896,649,657.80
  6. Step 6: Final answer
    x = 12,089,320,888.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.