Home / 709,632,109.20-1,064,448,163.80-403,867,347.60

Finding the Fourth Proportional to 709,632,109.20, 1,064,448,163.80 and 403,867,347.60

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Solution

The fourth proportional to 709,632,109.20, 1,064,448,163.80 and 403,867,347.60 is: 605,801,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,632,109.20 : 1,064,448,163.80 = 403,867,347.60 : x
  2. Step 2: Convert to fraction form
    709,632,109.20/1,064,448,163.80 = 403,867,347.60/x
  3. Step 3: Cross multiply
    709,632,109.20x = 1,064,448,163.80 × 403,867,347.60
  4. Step 4: Simplify right side
    709,632,109.20x = 429,895,856,571,596,352
  5. Step 5: Solve for x
    x = 429,895,856,571,596,352/709,632,109.20
  6. Step 6: Final answer
    x = 605,801,021.40

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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.