Home / 6,215,138,769.12-8,576,791,406.64-3,395,686,155.36

Finding the Fourth Proportional to 6,215,138,769.12, 8,576,791,406.64 and 3,395,686,155.36

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Solution

The fourth proportional to 6,215,138,769.12, 8,576,791,406.64 and 3,395,686,155.36 is: 4,685,992,206.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,215,138,769.12 : 8,576,791,406.64 = 3,395,686,155.36 : x
  2. Step 2: Convert to fraction form
    6,215,138,769.12/8,576,791,406.64 = 3,395,686,155.36/x
  3. Step 3: Cross multiply
    6,215,138,769.12x = 8,576,791,406.64 × 3,395,686,155.36
  4. Step 4: Simplify right side
    6,215,138,769.12x = 29,124,091,836,938,072,064
  5. Step 5: Solve for x
    x = 29,124,091,836,938,072,064/6,215,138,769.12
  6. Step 6: Final answer
    x = 4,685,992,206.91

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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.