Home / 1,323,438,235.40-1,985,232,002.70-403,344,590.60

Finding the Fourth Proportional to 1,323,438,235.40, 1,985,232,002.70 and 403,344,590.60

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Solution

The fourth proportional to 1,323,438,235.40, 1,985,232,002.70 and 403,344,590.60 is: 605,039,636.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,438,235.40 : 1,985,232,002.70 = 403,344,590.60 : x
  2. Step 2: Convert to fraction form
    1,323,438,235.40/1,985,232,002.70 = 403,344,590.60/x
  3. Step 3: Cross multiply
    1,323,438,235.40x = 1,985,232,002.70 × 403,344,590.60
  4. Step 4: Simplify right side
    1,323,438,235.40x = 800,732,589,375,049,600
  5. Step 5: Solve for x
    x = 800,732,589,375,049,600/1,323,438,235.40
  6. Step 6: Final answer
    x = 605,039,636.88

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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.