Home / 715,662,917.60-1,073,494,376.40-579,614,021.60

Finding the Fourth Proportional to 715,662,917.60, 1,073,494,376.40 and 579,614,021.60

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Solution

The fourth proportional to 715,662,917.60, 1,073,494,376.40 and 579,614,021.60 is: 869,421,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,662,917.60 : 1,073,494,376.40 = 579,614,021.60 : x
  2. Step 2: Convert to fraction form
    715,662,917.60/1,073,494,376.40 = 579,614,021.60/x
  3. Step 3: Cross multiply
    715,662,917.60x = 1,073,494,376.40 × 579,614,021.60
  4. Step 4: Simplify right side
    715,662,917.60x = 622,212,392,670,188,160
  5. Step 5: Solve for x
    x = 622,212,392,670,188,160/715,662,917.60
  6. Step 6: Final answer
    x = 869,421,032.40

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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.