Home / 645,016,566.40-890,084,504.64-366,519,437.44

Finding the Fourth Proportional to 645,016,566.40, 890,084,504.64 and 366,519,437.44

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Solution

The fourth proportional to 645,016,566.40, 890,084,504.64 and 366,519,437.44 is: 505,775,027.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,016,566.40 : 890,084,504.64 = 366,519,437.44 : x
  2. Step 2: Convert to fraction form
    645,016,566.40/890,084,504.64 = 366,519,437.44/x
  3. Step 3: Cross multiply
    645,016,566.40x = 890,084,504.64 × 366,519,437.44
  4. Step 4: Simplify right side
    645,016,566.40x = 326,233,271,914,713,856
  5. Step 5: Solve for x
    x = 326,233,271,914,713,856/645,016,566.40
  6. Step 6: Final answer
    x = 505,775,027.97

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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.