Home / 1,179,890,515.80-1,769,667,812.10-403,572,000.60

Finding the Fourth Proportional to 1,179,890,515.80, 1,769,667,812.10 and 403,572,000.60

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Solution

The fourth proportional to 1,179,890,515.80, 1,769,667,812.10 and 403,572,000.60 is: 605,300,550.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,890,515.80 : 1,769,667,812.10 = 403,572,000.60 : x
  2. Step 2: Convert to fraction form
    1,179,890,515.80/1,769,667,812.10 = 403,572,000.60/x
  3. Step 3: Cross multiply
    1,179,890,515.80x = 1,769,667,812.10 × 403,572,000.60
  4. Step 4: Simplify right side
    1,179,890,515.80x = 714,188,379,326,621,952
  5. Step 5: Solve for x
    x = 714,188,379,326,621,952/1,179,890,515.80
  6. Step 6: Final answer
    x = 605,300,550.99

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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.