Home / 386,891,140.60-579,580,883.70-233,080,305.40

Finding the Fourth Proportional to 386,891,140.60, 579,580,883.70 and 233,080,305.40

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Solution

The fourth proportional to 386,891,140.60, 579,580,883.70 and 233,080,305.40 is: 349,165,114.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,891,140.60 : 579,580,883.70 = 233,080,305.40 : x
  2. Step 2: Convert to fraction form
    386,891,140.60/579,580,883.70 = 233,080,305.40/x
  3. Step 3: Cross multiply
    386,891,140.60x = 579,580,883.70 × 233,080,305.40
  4. Step 4: Simplify right side
    386,891,140.60x = 135,088,889,376,797,904
  5. Step 5: Solve for x
    x = 135,088,889,376,797,904/386,891,140.60
  6. Step 6: Final answer
    x = 349,165,114.42

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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.