Home / 3,888,247,125-5,364,071,117.10-2,279,881,165.08

Finding the Fourth Proportional to 3,888,247,125, 5,364,071,117.10 and 2,279,881,165.08

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Solution

The fourth proportional to 3,888,247,125, 5,364,071,117.10 and 2,279,881,165.08 is: 3,145,233,395.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,247,125 : 5,364,071,117.10 = 2,279,881,165.08 : x
  2. Step 2: Convert to fraction form
    3,888,247,125/5,364,071,117.10 = 2,279,881,165.08/x
  3. Step 3: Cross multiply
    3,888,247,125x = 5,364,071,117.10 × 2,279,881,165.08
  4. Step 4: Simplify right side
    3,888,247,125x = 12,229,444,708,025,925,632
  5. Step 5: Solve for x
    x = 12,229,444,708,025,925,632/3,888,247,125
  6. Step 6: Final answer
    x = 3,145,233,395.63

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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.