Home / 748,345,992.78-1,032,724,152.18-413,841,149.76

Finding the Fourth Proportional to 748,345,992.78, 1,032,724,152.18 and 413,841,149.76

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Solution

The fourth proportional to 748,345,992.78, 1,032,724,152.18 and 413,841,149.76 is: 571,104,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,345,992.78 : 1,032,724,152.18 = 413,841,149.76 : x
  2. Step 2: Convert to fraction form
    748,345,992.78/1,032,724,152.18 = 413,841,149.76/x
  3. Step 3: Cross multiply
    748,345,992.78x = 1,032,724,152.18 × 413,841,149.76
  4. Step 4: Simplify right side
    748,345,992.78x = 427,383,750,523,092,352
  5. Step 5: Solve for x
    x = 427,383,750,523,092,352/748,345,992.78
  6. Step 6: Final answer
    x = 571,104,481.95

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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.