Home / 765,108,992.32-1,148,100,826.29-415,383,495.37

Finding the Fourth Proportional to 765,108,992.32, 1,148,100,826.29 and 415,383,495.37

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Solution

The fourth proportional to 765,108,992.32, 1,148,100,826.29 and 415,383,495.37 is: 623,312,677.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,108,992.32 : 1,148,100,826.29 = 415,383,495.37 : x
  2. Step 2: Convert to fraction form
    765,108,992.32/1,148,100,826.29 = 415,383,495.37/x
  3. Step 3: Cross multiply
    765,108,992.32x = 1,148,100,826.29 × 415,383,495.37
  4. Step 4: Simplify right side
    765,108,992.32x = 476,902,134,261,525,376
  5. Step 5: Solve for x
    x = 476,902,134,261,525,376/765,108,992.32
  6. Step 6: Final answer
    x = 623,312,677.08

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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.