Home / 18,857,989,369.04-28,279,201,387.32-6,437,320,379.60

Finding the Fourth Proportional to 18,857,989,369.04, 28,279,201,387.32 and 6,437,320,379.60

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Solution

The fourth proportional to 18,857,989,369.04, 28,279,201,387.32 and 6,437,320,379.60 is: 9,653,323,896.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857,989,369.04 : 28,279,201,387.32 = 6,437,320,379.60 : x
  2. Step 2: Convert to fraction form
    18,857,989,369.04/28,279,201,387.32 = 6,437,320,379.60/x
  3. Step 3: Cross multiply
    18,857,989,369.04x = 28,279,201,387.32 × 6,437,320,379.60
  4. Step 4: Simplify right side
    18,857,989,369.04x = 182,042,279,409,407,623,168
  5. Step 5: Solve for x
    x = 182,042,279,409,407,623,168/18,857,989,369.04
  6. Step 6: Final answer
    x = 9,653,323,896.15

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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.