Home / 15,820,722,883.32-21,822,666,719.64-9,385,987,176

Finding the Fourth Proportional to 15,820,722,883.32, 21,822,666,719.64 and 9,385,987,176

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Solution

The fourth proportional to 15,820,722,883.32, 21,822,666,719.64 and 9,385,987,176 is: 12,946,770,605.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,820,722,883.32 : 21,822,666,719.64 = 9,385,987,176 : x
  2. Step 2: Convert to fraction form
    15,820,722,883.32/21,822,666,719.64 = 9,385,987,176/x
  3. Step 3: Cross multiply
    15,820,722,883.32x = 21,822,666,719.64 × 9,385,987,176
  4. Step 4: Simplify right side
    15,820,722,883.32x = 204,827,269,976,663,031,808
  5. Step 5: Solve for x
    x = 204,827,269,976,663,031,808/15,820,722,883.32
  6. Step 6: Final answer
    x = 12,946,770,605.07

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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.