Home / 780,325,395.59-1,170,429,231.18-248,515,327.19

Finding the Fourth Proportional to 780,325,395.59, 1,170,429,231.18 and 248,515,327.19

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Solution

The fourth proportional to 780,325,395.59, 1,170,429,231.18 and 248,515,327.19 is: 372,754,244.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,325,395.59 : 1,170,429,231.18 = 248,515,327.19 : x
  2. Step 2: Convert to fraction form
    780,325,395.59/1,170,429,231.18 = 248,515,327.19/x
  3. Step 3: Cross multiply
    780,325,395.59x = 1,170,429,231.18 × 248,515,327.19
  4. Step 4: Simplify right side
    780,325,395.59x = 290,869,603,339,437,888
  5. Step 5: Solve for x
    x = 290,869,603,339,437,888/780,325,395.59
  6. Step 6: Final answer
    x = 372,754,244.55

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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.