Home / 386,237,198.44-533,017,435.68-210,035,499.16

Finding the Fourth Proportional to 386,237,198.44, 533,017,435.68 and 210,035,499.16

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Solution

The fourth proportional to 386,237,198.44, 533,017,435.68 and 210,035,499.16 is: 289,854,482.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,237,198.44 : 533,017,435.68 = 210,035,499.16 : x
  2. Step 2: Convert to fraction form
    386,237,198.44/533,017,435.68 = 210,035,499.16/x
  3. Step 3: Cross multiply
    386,237,198.44x = 533,017,435.68 × 210,035,499.16
  4. Step 4: Simplify right side
    386,237,198.44x = 111,952,583,164,032,000
  5. Step 5: Solve for x
    x = 111,952,583,164,032,000/386,237,198.44
  6. Step 6: Final answer
    x = 289,854,482.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.