Home / 1,644,778,194.40-2,467,167,291.60-1,572,218,783.20

Finding the Fourth Proportional to 1,644,778,194.40, 2,467,167,291.60 and 1,572,218,783.20

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Solution

The fourth proportional to 1,644,778,194.40, 2,467,167,291.60 and 1,572,218,783.20 is: 2,358,328,174.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,778,194.40 : 2,467,167,291.60 = 1,572,218,783.20 : x
  2. Step 2: Convert to fraction form
    1,644,778,194.40/2,467,167,291.60 = 1,572,218,783.20/x
  3. Step 3: Cross multiply
    1,644,778,194.40x = 2,467,167,291.60 × 1,572,218,783.20
  4. Step 4: Simplify right side
    1,644,778,194.40x = 3,878,926,757,150,191,616
  5. Step 5: Solve for x
    x = 3,878,926,757,150,191,616/1,644,778,194.40
  6. Step 6: Final answer
    x = 2,358,328,174.80

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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.