Home / 12,483,115,550.08-18,721,807,992.48-7,442,398,320.64

Finding the Fourth Proportional to 12,483,115,550.08, 18,721,807,992.48 and 7,442,398,320.64

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Solution

The fourth proportional to 12,483,115,550.08, 18,721,807,992.48 and 7,442,398,320.64 is: 11,161,889,177.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,115,550.08 : 18,721,807,992.48 = 7,442,398,320.64 : x
  2. Step 2: Convert to fraction form
    12,483,115,550.08/18,721,807,992.48 = 7,442,398,320.64/x
  3. Step 3: Cross multiply
    12,483,115,550.08x = 18,721,807,992.48 × 7,442,398,320.64
  4. Step 4: Simplify right side
    12,483,115,550.08x = 139,335,152,362,577,690,624
  5. Step 5: Solve for x
    x = 139,335,152,362,577,690,624/12,483,115,550.08
  6. Step 6: Final answer
    x = 11,161,889,177.71

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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.