Home / 9,912,512,147.04-13,678,774,718.40-5,457,080,864.16

Finding the Fourth Proportional to 9,912,512,147.04, 13,678,774,718.40 and 5,457,080,864.16

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Solution

The fourth proportional to 9,912,512,147.04, 13,678,774,718.40 and 5,457,080,864.16 is: 7,530,500,709.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912,512,147.04 : 13,678,774,718.40 = 5,457,080,864.16 : x
  2. Step 2: Convert to fraction form
    9,912,512,147.04/13,678,774,718.40 = 5,457,080,864.16/x
  3. Step 3: Cross multiply
    9,912,512,147.04x = 13,678,774,718.40 × 5,457,080,864.16
  4. Step 4: Simplify right side
    9,912,512,147.04x = 74,646,179,760,936,222,720
  5. Step 5: Solve for x
    x = 74,646,179,760,936,222,720/9,912,512,147.04
  6. Step 6: Final answer
    x = 7,530,500,709.98

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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.