Home / 8,121,243,439.56-11,210,988,188.10-5,114,914,376.34

Finding the Fourth Proportional to 8,121,243,439.56, 11,210,988,188.10 and 5,114,914,376.34

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Solution

The fourth proportional to 8,121,243,439.56, 11,210,988,188.10 and 5,114,914,376.34 is: 7,060,894,687.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,243,439.56 : 11,210,988,188.10 = 5,114,914,376.34 : x
  2. Step 2: Convert to fraction form
    8,121,243,439.56/11,210,988,188.10 = 5,114,914,376.34/x
  3. Step 3: Cross multiply
    8,121,243,439.56x = 11,210,988,188.10 × 5,114,914,376.34
  4. Step 4: Simplify right side
    8,121,243,439.56x = 57,343,244,656,290,619,392
  5. Step 5: Solve for x
    x = 57,343,244,656,290,619,392/8,121,243,439.56
  6. Step 6: Final answer
    x = 7,060,894,687.25

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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.