Home / 2,428,210,778.85-3,642,663,617.37-747,638,459.64

Finding the Fourth Proportional to 2,428,210,778.85, 3,642,663,617.37 and 747,638,459.64

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Solution

The fourth proportional to 2,428,210,778.85, 3,642,663,617.37 and 747,638,459.64 is: 1,121,564,667.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,210,778.85 : 3,642,663,617.37 = 747,638,459.64 : x
  2. Step 2: Convert to fraction form
    2,428,210,778.85/3,642,663,617.37 = 747,638,459.64/x
  3. Step 3: Cross multiply
    2,428,210,778.85x = 3,642,663,617.37 × 747,638,459.64
  4. Step 4: Simplify right side
    2,428,210,778.85x = 2,723,395,415,877,176,832
  5. Step 5: Solve for x
    x = 2,723,395,415,877,176,832/2,428,210,778.85
  6. Step 6: Final answer
    x = 1,121,564,667.94

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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.