Home / 28,029,630,273.76-38,681,130,998.64-15,987,251,061.46

Finding the Fourth Proportional to 28,029,630,273.76, 38,681,130,998.64 and 15,987,251,061.46

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Solution

The fourth proportional to 28,029,630,273.76, 38,681,130,998.64 and 15,987,251,061.46 is: 22,062,544,049.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,029,630,273.76 : 38,681,130,998.64 = 15,987,251,061.46 : x
  2. Step 2: Convert to fraction form
    28,029,630,273.76/38,681,130,998.64 = 15,987,251,061.46/x
  3. Step 3: Cross multiply
    28,029,630,273.76x = 38,681,130,998.64 × 15,987,251,061.46
  4. Step 4: Simplify right side
    28,029,630,273.76x = 618,404,952,616,480,669,696
  5. Step 5: Solve for x
    x = 618,404,952,616,480,669,696/28,029,630,273.76
  6. Step 6: Final answer
    x = 22,062,544,049.87

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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.