Home / 15,362,273,471.04-21,203,347,883.60-9,339,499,113.12

Finding the Fourth Proportional to 15,362,273,471.04, 21,203,347,883.60 and 9,339,499,113.12

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Solution

The fourth proportional to 15,362,273,471.04, 21,203,347,883.60 and 9,339,499,113.12 is: 12,890,582,186.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,362,273,471.04 : 21,203,347,883.60 = 9,339,499,113.12 : x
  2. Step 2: Convert to fraction form
    15,362,273,471.04/21,203,347,883.60 = 9,339,499,113.12/x
  3. Step 3: Cross multiply
    15,362,273,471.04x = 21,203,347,883.60 × 9,339,499,113.12
  4. Step 4: Simplify right side
    15,362,273,471.04x = 198,028,648,754,057,019,392
  5. Step 5: Solve for x
    x = 198,028,648,754,057,019,392/15,362,273,471.04
  6. Step 6: Final answer
    x = 12,890,582,186.77

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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.