Home / 580,171,619.80-870,005,487.30-191,844,400.60

Finding the Fourth Proportional to 580,171,619.80, 870,005,487.30 and 191,844,400.60

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Solution

The fourth proportional to 580,171,619.80, 870,005,487.30 and 191,844,400.60 is: 287,683,291.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,171,619.80 : 870,005,487.30 = 191,844,400.60 : x
  2. Step 2: Convert to fraction form
    580,171,619.80/870,005,487.30 = 191,844,400.60/x
  3. Step 3: Cross multiply
    580,171,619.80x = 870,005,487.30 × 191,844,400.60
  4. Step 4: Simplify right side
    580,171,619.80x = 166,905,681,229,779,392
  5. Step 5: Solve for x
    x = 166,905,681,229,779,392/580,171,619.80
  6. Step 6: Final answer
    x = 287,683,291.52

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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.