Home / 706,915,290.21-1,059,645,365.15-313,627,332.75

Finding the Fourth Proportional to 706,915,290.21, 1,059,645,365.15 and 313,627,332.75

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Solution

The fourth proportional to 706,915,290.21, 1,059,645,365.15 and 313,627,332.75 is: 470,118,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,915,290.21 : 1,059,645,365.15 = 313,627,332.75 : x
  2. Step 2: Convert to fraction form
    706,915,290.21/1,059,645,365.15 = 313,627,332.75/x
  3. Step 3: Cross multiply
    706,915,290.21x = 1,059,645,365.15 × 313,627,332.75
  4. Step 4: Simplify right side
    706,915,290.21x = 332,333,749,531,326,144
  5. Step 5: Solve for x
    x = 332,333,749,531,326,144/706,915,290.21
  6. Step 6: Final answer
    x = 470,118,208.13

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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.