Home / 6,419,901,339.18-8,828,047,352.88-5,571,656,015.16

Finding the Fourth Proportional to 6,419,901,339.18, 8,828,047,352.88 and 5,571,656,015.16

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Solution

The fourth proportional to 6,419,901,339.18, 8,828,047,352.88 and 5,571,656,015.16 is: 7,661,619,787.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419,901,339.18 : 8,828,047,352.88 = 5,571,656,015.16 : x
  2. Step 2: Convert to fraction form
    6,419,901,339.18/8,828,047,352.88 = 5,571,656,015.16/x
  3. Step 3: Cross multiply
    6,419,901,339.18x = 8,828,047,352.88 × 5,571,656,015.16
  4. Step 4: Simplify right side
    6,419,901,339.18x = 49,186,843,135,791,161,344
  5. Step 5: Solve for x
    x = 49,186,843,135,791,161,344/6,419,901,339.18
  6. Step 6: Final answer
    x = 7,661,619,787.77

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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.