Home / 660,476,254,298.30-990,856,979,480.79-201,046,850,391.65

Finding the Fourth Proportional to 660,476,254,298.30, 990,856,979,480.79 and 201,046,850,391.65

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Solution

The fourth proportional to 660,476,254,298.30, 990,856,979,480.79 and 201,046,850,391.65 is: 301,613,681,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,476,254,298.30 : 990,856,979,480.79 = 201,046,850,391.65 : x
  2. Step 2: Convert to fraction form
    660,476,254,298.30/990,856,979,480.79 = 201,046,850,391.65/x
  3. Step 3: Cross multiply
    660,476,254,298.30x = 990,856,979,480.79 × 201,046,850,391.65
  4. Step 4: Simplify right side
    660,476,254,298.30x = 199,208,674,913,196,613,566,464
  5. Step 5: Solve for x
    x = 199,208,674,913,196,613,566,464/660,476,254,298.30
  6. Step 6: Final answer
    x = 301,613,681,970.81

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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.