Home / 907,155,720.96-1,359,628,105.92-470,215,515.84

Finding the Fourth Proportional to 907,155,720.96, 1,359,628,105.92 and 470,215,515.84

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Solution

The fourth proportional to 907,155,720.96, 1,359,628,105.92 and 470,215,515.84 is: 704,750,261.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,155,720.96 : 1,359,628,105.92 = 470,215,515.84 : x
  2. Step 2: Convert to fraction form
    907,155,720.96/1,359,628,105.92 = 470,215,515.84/x
  3. Step 3: Cross multiply
    907,155,720.96x = 1,359,628,105.92 × 470,215,515.84
  4. Step 4: Simplify right side
    907,155,720.96x = 639,318,231,175,734,912
  5. Step 5: Solve for x
    x = 639,318,231,175,734,912/907,155,720.96
  6. Step 6: Final answer
    x = 704,750,261.07

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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.