Home / 28,029,630,272.76-38,681,130,997.26-15,987,251,060.46

Finding the Fourth Proportional to 28,029,630,272.76, 38,681,130,997.26 and 15,987,251,060.46

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Solution

The fourth proportional to 28,029,630,272.76, 38,681,130,997.26 and 15,987,251,060.46 is: 22,062,544,048.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029,630,272.76 : 38,681,130,997.26 = 15,987,251,060.46 : x
  2. Step 2: Convert to fraction form
    28,029,630,272.76/38,681,130,997.26 = 15,987,251,060.46/x
  3. Step 3: Cross multiply
    28,029,630,272.76x = 38,681,130,997.26 × 15,987,251,060.46
  4. Step 4: Simplify right side
    28,029,630,272.76x = 618,404,952,555,737,055,232
  5. Step 5: Solve for x
    x = 618,404,952,555,737,055,232/28,029,630,272.76
  6. Step 6: Final answer
    x = 22,062,544,048.49

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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.