Home / 21,471,532,021.92-32,192,333,290.80-9,513,284,460.96

Finding the Fourth Proportional to 21,471,532,021.92, 32,192,333,290.80 and 9,513,284,460.96

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Solution

The fourth proportional to 21,471,532,021.92, 32,192,333,290.80 and 9,513,284,460.96 is: 14,263,296,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,471,532,021.92 : 32,192,333,290.80 = 9,513,284,460.96 : x
  2. Step 2: Convert to fraction form
    21,471,532,021.92/32,192,333,290.80 = 9,513,284,460.96/x
  3. Step 3: Cross multiply
    21,471,532,021.92x = 32,192,333,290.80 × 9,513,284,460.96
  4. Step 4: Simplify right side
    21,471,532,021.92x = 306,254,824,057,412,911,104
  5. Step 5: Solve for x
    x = 306,254,824,057,412,911,104/21,471,532,021.92
  6. Step 6: Final answer
    x = 14,263,296,337.90

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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.