Home / 6,870,989,519.10-10,309,507,587.45-3,188,599,400.70

Finding the Fourth Proportional to 6,870,989,519.10, 10,309,507,587.45 and 3,188,599,400.70

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Solution

The fourth proportional to 6,870,989,519.10, 10,309,507,587.45 and 3,188,599,400.70 is: 4,784,302,118.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870,989,519.10 : 10,309,507,587.45 = 3,188,599,400.70 : x
  2. Step 2: Convert to fraction form
    6,870,989,519.10/10,309,507,587.45 = 3,188,599,400.70/x
  3. Step 3: Cross multiply
    6,870,989,519.10x = 10,309,507,587.45 × 3,188,599,400.70
  4. Step 4: Simplify right side
    6,870,989,519.10x = 32,872,889,714,855,174,144
  5. Step 5: Solve for x
    x = 32,872,889,714,855,174,144/6,870,989,519.10
  6. Step 6: Final answer
    x = 4,784,302,118.85

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1.5x scale

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.