Home / 753,553,676.79-1,039,904,936.09-419,019,016.64

Finding the Fourth Proportional to 753,553,676.79, 1,039,904,936.09 and 419,019,016.64

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Solution

The fourth proportional to 753,553,676.79, 1,039,904,936.09 and 419,019,016.64 is: 578,246,722.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,553,676.79 : 1,039,904,936.09 = 419,019,016.64 : x
  2. Step 2: Convert to fraction form
    753,553,676.79/1,039,904,936.09 = 419,019,016.64/x
  3. Step 3: Cross multiply
    753,553,676.79x = 1,039,904,936.09 × 419,019,016.64
  4. Step 4: Simplify right side
    753,553,676.79x = 435,739,943,723,161,152
  5. Step 5: Solve for x
    x = 435,739,943,723,161,152/753,553,676.79
  6. Step 6: Final answer
    x = 578,246,722.36

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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.