Home / 7,210,958,749.19-9,951,181,501.95-3,995,922,442.35

Finding the Fourth Proportional to 7,210,958,749.19, 9,951,181,501.95 and 3,995,922,442.35

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Solution

The fourth proportional to 7,210,958,749.19, 9,951,181,501.95 and 3,995,922,442.35 is: 5,514,405,348.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,210,958,749.19 : 9,951,181,501.95 = 3,995,922,442.35 : x
  2. Step 2: Convert to fraction form
    7,210,958,749.19/9,951,181,501.95 = 3,995,922,442.35/x
  3. Step 3: Cross multiply
    7,210,958,749.19x = 9,951,181,501.95 × 3,995,922,442.35
  4. Step 4: Simplify right side
    7,210,958,749.19x = 39,764,149,491,540,189,184
  5. Step 5: Solve for x
    x = 39,764,149,491,540,189,184/7,210,958,749.19
  6. Step 6: Final answer
    x = 5,514,405,348.11

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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.