Home / 9,702,421,416.72-13,389,381,895.32-5,247,085,791.60

Finding the Fourth Proportional to 9,702,421,416.72, 13,389,381,895.32 and 5,247,085,791.60

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Solution

The fourth proportional to 9,702,421,416.72, 13,389,381,895.32 and 5,247,085,791.60 is: 7,241,000,208.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,702,421,416.72 : 13,389,381,895.32 = 5,247,085,791.60 : x
  2. Step 2: Convert to fraction form
    9,702,421,416.72/13,389,381,895.32 = 5,247,085,791.60/x
  3. Step 3: Cross multiply
    9,702,421,416.72x = 13,389,381,895.32 × 5,247,085,791.60
  4. Step 4: Simplify right side
    9,702,421,416.72x = 70,255,235,501,239,853,056
  5. Step 5: Solve for x
    x = 70,255,235,501,239,853,056/9,702,421,416.72
  6. Step 6: Final answer
    x = 7,241,000,208.48

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Double scale
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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.