Home / 30,292,139,059.80-45,438,208,589.70-28,845,769,234.20

Finding the Fourth Proportional to 30,292,139,059.80, 45,438,208,589.70 and 28,845,769,234.20

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Solution

The fourth proportional to 30,292,139,059.80, 45,438,208,589.70 and 28,845,769,234.20 is: 43,268,653,851.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292,139,059.80 : 45,438,208,589.70 = 28,845,769,234.20 : x
  2. Step 2: Convert to fraction form
    30,292,139,059.80/45,438,208,589.70 = 28,845,769,234.20/x
  3. Step 3: Cross multiply
    30,292,139,059.80x = 45,438,208,589.70 × 28,845,769,234.20
  4. Step 4: Simplify right side
    30,292,139,059.80x = 1,310,700,079,393,930,477,568
  5. Step 5: Solve for x
    x = 1,310,700,079,393,930,477,568/30,292,139,059.80
  6. Step 6: Final answer
    x = 43,268,653,851.30

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Double scale
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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.