Home / 1,603,654,579.92-2,405,531,636.28-763,113,147.60

Finding the Fourth Proportional to 1,603,654,579.92, 2,405,531,636.28 and 763,113,147.60

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Solution

The fourth proportional to 1,603,654,579.92, 2,405,531,636.28 and 763,113,147.60 is: 1,144,693,403.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,654,579.92 : 2,405,531,636.28 = 763,113,147.60 : x
  2. Step 2: Convert to fraction form
    1,603,654,579.92/2,405,531,636.28 = 763,113,147.60/x
  3. Step 3: Cross multiply
    1,603,654,579.92x = 2,405,531,636.28 × 763,113,147.60
  4. Step 4: Simplify right side
    1,603,654,579.92x = 1,835,692,818,613,009,408
  5. Step 5: Solve for x
    x = 1,835,692,818,613,009,408/1,603,654,579.92
  6. Step 6: Final answer
    x = 1,144,693,403.18

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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.