Home / 28,181,209,159.98-42,271,825,713.75-8,284,097,978.01

Finding the Fourth Proportional to 28,181,209,159.98, 42,271,825,713.75 and 8,284,097,978.01

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Solution

The fourth proportional to 28,181,209,159.98, 42,271,825,713.75 and 8,284,097,978.01 is: 12,426,150,486.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,181,209,159.98 : 42,271,825,713.75 = 8,284,097,978.01 : x
  2. Step 2: Convert to fraction form
    28,181,209,159.98/42,271,825,713.75 = 8,284,097,978.01/x
  3. Step 3: Cross multiply
    28,181,209,159.98x = 42,271,825,713.75 × 8,284,097,978.01
  4. Step 4: Simplify right side
    28,181,209,159.98x = 350,183,945,922,067,496,960
  5. Step 5: Solve for x
    x = 350,183,945,922,067,496,960/28,181,209,159.98
  6. Step 6: Final answer
    x = 12,426,150,486.81

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1.5x scale

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.