Home / 1,476,299,619.60-2,214,281,467.80-385,892,912.40

Finding the Fourth Proportional to 1,476,299,619.60, 2,214,281,467.80 and 385,892,912.40

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Solution

The fourth proportional to 1,476,299,619.60, 2,214,281,467.80 and 385,892,912.40 is: 578,795,464.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476,299,619.60 : 2,214,281,467.80 = 385,892,912.40 : x
  2. Step 2: Convert to fraction form
    1,476,299,619.60/2,214,281,467.80 = 385,892,912.40/x
  3. Step 3: Cross multiply
    1,476,299,619.60x = 2,214,281,467.80 × 385,892,912.40
  4. Step 4: Simplify right side
    1,476,299,619.60x = 854,475,524,482,688,896
  5. Step 5: Solve for x
    x = 854,475,524,482,688,896/1,476,299,619.60
  6. Step 6: Final answer
    x = 578,795,464.78

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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.