Home / 173,840,989,991.85-260,761,484,987.78-123,339,639,796.65

Finding the Fourth Proportional to 173,840,989,991.85, 260,761,484,987.78 and 123,339,639,796.65

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Solution

The fourth proportional to 173,840,989,991.85, 260,761,484,987.78 and 123,339,639,796.65 is: 185,009,459,694.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,840,989,991.85 : 260,761,484,987.78 = 123,339,639,796.65 : x
  2. Step 2: Convert to fraction form
    173,840,989,991.85/260,761,484,987.78 = 123,339,639,796.65/x
  3. Step 3: Cross multiply
    173,840,989,991.85x = 260,761,484,987.78 × 123,339,639,796.65
  4. Step 4: Simplify right side
    173,840,989,991.85x = 32,162,227,631,232,340,983,808
  5. Step 5: Solve for x
    x = 32,162,227,631,232,340,983,808/173,840,989,991.85
  6. Step 6: Final answer
    x = 185,009,459,694.98

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Double scale
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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.