Home / 707,355,293.25-976,127,412.67-405,990,208.83

Finding the Fourth Proportional to 707,355,293.25, 976,127,412.67 and 405,990,208.83

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Solution

The fourth proportional to 707,355,293.25, 976,127,412.67 and 405,990,208.83 is: 560,253,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,355,293.25 : 976,127,412.67 = 405,990,208.83 : x
  2. Step 2: Convert to fraction form
    707,355,293.25/976,127,412.67 = 405,990,208.83/x
  3. Step 3: Cross multiply
    707,355,293.25x = 976,127,412.67 × 405,990,208.83
  4. Step 4: Simplify right side
    707,355,293.25x = 396,298,172,114,580,864
  5. Step 5: Solve for x
    x = 396,298,172,114,580,864/707,355,293.25
  6. Step 6: Final answer
    x = 560,253,349.20

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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.