Home / 5,185,885,724.32-7,778,848,531.92-1,255,585,334.08

Finding the Fourth Proportional to 5,185,885,724.32, 7,778,848,531.92 and 1,255,585,334.08

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Solution

The fourth proportional to 5,185,885,724.32, 7,778,848,531.92 and 1,255,585,334.08 is: 1,883,382,830.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,885,724.32 : 7,778,848,531.92 = 1,255,585,334.08 : x
  2. Step 2: Convert to fraction form
    5,185,885,724.32/7,778,848,531.92 = 1,255,585,334.08/x
  3. Step 3: Cross multiply
    5,185,885,724.32x = 7,778,848,531.92 × 1,255,585,334.08
  4. Step 4: Simplify right side
    5,185,885,724.32x = 9,767,008,132,708,491,264
  5. Step 5: Solve for x
    x = 9,767,008,132,708,491,264/5,185,885,724.32
  6. Step 6: Final answer
    x = 1,883,382,830.23

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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.