Home / 633,142,383.48-873,735,826.54-354,685,867.12

Finding the Fourth Proportional to 633,142,383.48, 873,735,826.54 and 354,685,867.12

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Solution

The fourth proportional to 633,142,383.48, 873,735,826.54 and 354,685,867.12 is: 489,466,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,142,383.48 : 873,735,826.54 = 354,685,867.12 : x
  2. Step 2: Convert to fraction form
    633,142,383.48/873,735,826.54 = 354,685,867.12/x
  3. Step 3: Cross multiply
    633,142,383.48x = 873,735,826.54 × 354,685,867.12
  4. Step 4: Simplify right side
    633,142,383.48x = 309,901,749,270,149,824
  5. Step 5: Solve for x
    x = 309,901,749,270,149,824/633,142,383.48
  6. Step 6: Final answer
    x = 489,466,125.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.