Home / 1,332,328,781.36-1,998,799,667.13-447,131,606.75

Finding the Fourth Proportional to 1,332,328,781.36, 1,998,799,667.13 and 447,131,606.75

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Solution

The fourth proportional to 1,332,328,781.36, 1,998,799,667.13 and 447,131,606.75 is: 670,800,270.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,328,781.36 : 1,998,799,667.13 = 447,131,606.75 : x
  2. Step 2: Convert to fraction form
    1,332,328,781.36/1,998,799,667.13 = 447,131,606.75/x
  3. Step 3: Cross multiply
    1,332,328,781.36x = 1,998,799,667.13 × 447,131,606.75
  4. Step 4: Simplify right side
    1,332,328,781.36x = 893,726,506,740,199,168
  5. Step 5: Solve for x
    x = 893,726,506,740,199,168/1,332,328,781.36
  6. Step 6: Final answer
    x = 670,800,270.36

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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.