Home / 753,553,677.07-1,039,904,936.48-419,019,016.92

Finding the Fourth Proportional to 753,553,677.07, 1,039,904,936.48 and 419,019,016.92

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Solution

The fourth proportional to 753,553,677.07, 1,039,904,936.48 and 419,019,016.92 is: 578,246,722.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,553,677.07 : 1,039,904,936.48 = 419,019,016.92 : x
  2. Step 2: Convert to fraction form
    753,553,677.07/1,039,904,936.48 = 419,019,016.92/x
  3. Step 3: Cross multiply
    753,553,677.07x = 1,039,904,936.48 × 419,019,016.92
  4. Step 4: Simplify right side
    753,553,677.07x = 435,739,944,177,751,936
  5. Step 5: Solve for x
    x = 435,739,944,177,751,936/753,553,677.07
  6. Step 6: Final answer
    x = 578,246,722.74

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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.