Home / 28,320,213,700.35-42,398,691,212.93-28,320,213,700.35

Finding the Fourth Proportional to 28,320,213,700.35, 42,398,691,212.93 and 28,320,213,700.35

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Solution

The fourth proportional to 28,320,213,700.35, 42,398,691,212.93 and 28,320,213,700.35 is: 42,398,691,212.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,320,213,700.35 : 42,398,691,212.93 = 28,320,213,700.35 : x
  2. Step 2: Convert to fraction form
    28,320,213,700.35/42,398,691,212.93 = 28,320,213,700.35/x
  3. Step 3: Cross multiply
    28,320,213,700.35x = 42,398,691,212.93 × 28,320,213,700.35
  4. Step 4: Simplify right side
    28,320,213,700.35x = 1,200,739,995,765,187,805,184
  5. Step 5: Solve for x
    x = 1,200,739,995,765,187,805,184/28,320,213,700.35
  6. Step 6: Final answer
    x = 42,398,691,212.93

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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.