Home / 28,242,695,185.93-38,974,920,067.23-15,555,430,851.83

Finding the Fourth Proportional to 28,242,695,185.93, 38,974,920,067.23 and 15,555,430,851.83

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Solution

The fourth proportional to 28,242,695,185.93, 38,974,920,067.23 and 15,555,430,851.83 is: 21,466,494,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242,695,185.93 : 38,974,920,067.23 = 15,555,430,851.83 : x
  2. Step 2: Convert to fraction form
    28,242,695,185.93/38,974,920,067.23 = 15,555,430,851.83/x
  3. Step 3: Cross multiply
    28,242,695,185.93x = 38,974,920,067.23 × 15,555,430,851.83
  4. Step 4: Simplify right side
    28,242,695,185.93x = 606,271,674,061,288,505,344
  5. Step 5: Solve for x
    x = 606,271,674,061,288,505,344/28,242,695,185.93
  6. Step 6: Final answer
    x = 21,466,494,966.93

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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.