Home / 21,523,589,719.20-32,285,384,578.80-9,891,409,111.20

Finding the Fourth Proportional to 21,523,589,719.20, 32,285,384,578.80 and 9,891,409,111.20

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Solution

The fourth proportional to 21,523,589,719.20, 32,285,384,578.80 and 9,891,409,111.20 is: 14,837,113,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523,589,719.20 : 32,285,384,578.80 = 9,891,409,111.20 : x
  2. Step 2: Convert to fraction form
    21,523,589,719.20/32,285,384,578.80 = 9,891,409,111.20/x
  3. Step 3: Cross multiply
    21,523,589,719.20x = 32,285,384,578.80 × 9,891,409,111.20
  4. Step 4: Simplify right side
    21,523,589,719.20x = 319,347,947,181,338,329,088
  5. Step 5: Solve for x
    x = 319,347,947,181,338,329,088/21,523,589,719.20
  6. Step 6: Final answer
    x = 14,837,113,666.80

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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.