Home / 707,326,739.70-1,060,990,109.55-319,906,250.70

Finding the Fourth Proportional to 707,326,739.70, 1,060,990,109.55 and 319,906,250.70

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Solution

The fourth proportional to 707,326,739.70, 1,060,990,109.55 and 319,906,250.70 is: 479,859,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,326,739.70 : 1,060,990,109.55 = 319,906,250.70 : x
  2. Step 2: Convert to fraction form
    707,326,739.70/1,060,990,109.55 = 319,906,250.70/x
  3. Step 3: Cross multiply
    707,326,739.70x = 1,060,990,109.55 × 319,906,250.70
  4. Step 4: Simplify right side
    707,326,739.70x = 339,417,367,975,922,752
  5. Step 5: Solve for x
    x = 339,417,367,975,922,752/707,326,739.70
  6. Step 6: Final answer
    x = 479,859,376.05

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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.