Home / 660,476,254,296.30-990,856,979,477.79-201,046,850,389.65

Finding the Fourth Proportional to 660,476,254,296.30, 990,856,979,477.79 and 201,046,850,389.65

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Solution

The fourth proportional to 660,476,254,296.30, 990,856,979,477.79 and 201,046,850,389.65 is: 301,613,681,967.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,476,254,296.30 : 990,856,979,477.79 = 201,046,850,389.65 : x
  2. Step 2: Convert to fraction form
    660,476,254,296.30/990,856,979,477.79 = 201,046,850,389.65/x
  3. Step 3: Cross multiply
    660,476,254,296.30x = 990,856,979,477.79 × 201,046,850,389.65
  4. Step 4: Simplify right side
    660,476,254,296.30x = 199,208,674,910,611,747,897,344
  5. Step 5: Solve for x
    x = 199,208,674,910,611,747,897,344/660,476,254,296.30
  6. Step 6: Final answer
    x = 301,613,681,967.81

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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.