Home / 403,334,037.90-605,001,056.85-199,260,693.90

Finding the Fourth Proportional to 403,334,037.90, 605,001,056.85 and 199,260,693.90

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Solution

The fourth proportional to 403,334,037.90, 605,001,056.85 and 199,260,693.90 is: 298,891,040.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,334,037.90 : 605,001,056.85 = 199,260,693.90 : x
  2. Step 2: Convert to fraction form
    403,334,037.90/605,001,056.85 = 199,260,693.90/x
  3. Step 3: Cross multiply
    403,334,037.90x = 605,001,056.85 × 199,260,693.90
  4. Step 4: Simplify right side
    403,334,037.90x = 120,552,930,398,164,352
  5. Step 5: Solve for x
    x = 120,552,930,398,164,352/403,334,037.90
  6. Step 6: Final answer
    x = 298,891,040.85

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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.