Home / 489,359,090.16-675,321,064.74-266,342,199.57

Finding the Fourth Proportional to 489,359,090.16, 675,321,064.74 and 266,342,199.57

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Solution

The fourth proportional to 489,359,090.16, 675,321,064.74 and 266,342,199.57 is: 367,555,239.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,359,090.16 : 675,321,064.74 = 266,342,199.57 : x
  2. Step 2: Convert to fraction form
    489,359,090.16/675,321,064.74 = 266,342,199.57/x
  3. Step 3: Cross multiply
    489,359,090.16x = 675,321,064.74 × 266,342,199.57
  4. Step 4: Simplify right side
    489,359,090.16x = 179,866,497,798,805,952
  5. Step 5: Solve for x
    x = 179,866,497,798,805,952/489,359,090.16
  6. Step 6: Final answer
    x = 367,555,239.94

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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.