Home / 1,455,780,019.90-2,183,670,029.85-473,204,659.90

Finding the Fourth Proportional to 1,455,780,019.90, 2,183,670,029.85 and 473,204,659.90

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Solution

The fourth proportional to 1,455,780,019.90, 2,183,670,029.85 and 473,204,659.90 is: 709,806,989.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,780,019.90 : 2,183,670,029.85 = 473,204,659.90 : x
  2. Step 2: Convert to fraction form
    1,455,780,019.90/2,183,670,029.85 = 473,204,659.90/x
  3. Step 3: Cross multiply
    1,455,780,019.90x = 2,183,670,029.85 × 473,204,659.90
  4. Step 4: Simplify right side
    1,455,780,019.90x = 1,033,322,833,808,992,000
  5. Step 5: Solve for x
    x = 1,033,322,833,808,992,000/1,455,780,019.90
  6. Step 6: Final answer
    x = 709,806,989.85

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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.