Home / 425,867,743.60-638,801,615.40-183,530,647.60

Finding the Fourth Proportional to 425,867,743.60, 638,801,615.40 and 183,530,647.60

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Solution

The fourth proportional to 425,867,743.60, 638,801,615.40 and 183,530,647.60 is: 275,295,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,867,743.60 : 638,801,615.40 = 183,530,647.60 : x
  2. Step 2: Convert to fraction form
    425,867,743.60/638,801,615.40 = 183,530,647.60/x
  3. Step 3: Cross multiply
    425,867,743.60x = 638,801,615.40 × 183,530,647.60
  4. Step 4: Simplify right side
    425,867,743.60x = 117,239,674,162,288,128
  5. Step 5: Solve for x
    x = 117,239,674,162,288,128/425,867,743.60
  6. Step 6: Final answer
    x = 275,295,971.40

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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.