Home / 406,546,426.08-561,032,846.64-220,908,008.16

Finding the Fourth Proportional to 406,546,426.08, 561,032,846.64 and 220,908,008.16

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Solution

The fourth proportional to 406,546,426.08, 561,032,846.64 and 220,908,008.16 is: 304,852,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,546,426.08 : 561,032,846.64 = 220,908,008.16 : x
  2. Step 2: Convert to fraction form
    406,546,426.08/561,032,846.64 = 220,908,008.16/x
  3. Step 3: Cross multiply
    406,546,426.08x = 561,032,846.64 × 220,908,008.16
  4. Step 4: Simplify right side
    406,546,426.08x = 123,936,648,663,577,136
  5. Step 5: Solve for x
    x = 123,936,648,663,577,136/406,546,426.08
  6. Step 6: Final answer
    x = 304,852,387.61

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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.