Home / 654,740,930.77-903,407,604.40-376,228,645.90

Finding the Fourth Proportional to 654,740,930.77, 903,407,604.40 and 376,228,645.90

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Solution

The fourth proportional to 654,740,930.77, 903,407,604.40 and 376,228,645.90 is: 519,118,026.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,740,930.77 : 903,407,604.40 = 376,228,645.90 : x
  2. Step 2: Convert to fraction form
    654,740,930.77/903,407,604.40 = 376,228,645.90/x
  3. Step 3: Cross multiply
    654,740,930.77x = 903,407,604.40 × 376,228,645.90
  4. Step 4: Simplify right side
    654,740,930.77x = 339,887,819,697,390,400
  5. Step 5: Solve for x
    x = 339,887,819,697,390,400/654,740,930.77
  6. Step 6: Final answer
    x = 519,118,026.27

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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.