Home / 1,608,209,111.70-2,412,452,632.77-443,677,603.50

Finding the Fourth Proportional to 1,608,209,111.70, 2,412,452,632.77 and 443,677,603.50

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Solution

The fourth proportional to 1,608,209,111.70, 2,412,452,632.77 and 443,677,603.50 is: 665,554,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,209,111.70 : 2,412,452,632.77 = 443,677,603.50 : x
  2. Step 2: Convert to fraction form
    1,608,209,111.70/2,412,452,632.77 = 443,677,603.50/x
  3. Step 3: Cross multiply
    1,608,209,111.70x = 2,412,452,632.77 × 443,677,603.50
  4. Step 4: Simplify right side
    1,608,209,111.70x = 1,070,351,202,664,659,200
  5. Step 5: Solve for x
    x = 1,070,351,202,664,659,200/1,608,209,111.70
  6. Step 6: Final answer
    x = 665,554,743.40

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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.