Home / 385,155,759.26-578,107,230.02-185,875,285.25

Finding the Fourth Proportional to 385,155,759.26, 578,107,230.02 and 185,875,285.25

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Solution

The fourth proportional to 385,155,759.26, 578,107,230.02 and 185,875,285.25 is: 278,993,222.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,155,759.26 : 578,107,230.02 = 185,875,285.25 : x
  2. Step 2: Convert to fraction form
    385,155,759.26/578,107,230.02 = 185,875,285.25/x
  3. Step 3: Cross multiply
    385,155,759.26x = 578,107,230.02 × 185,875,285.25
  4. Step 4: Simplify right side
    385,155,759.26x = 107,455,846,284,099,872
  5. Step 5: Solve for x
    x = 107,455,846,284,099,872/385,155,759.26
  6. Step 6: Final answer
    x = 278,993,222.10

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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.