Home / 1,365,428,544-1,884,376,719.36-770,813,771.52

Finding the Fourth Proportional to 1,365,428,544, 1,884,376,719.36 and 770,813,771.52

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Solution

The fourth proportional to 1,365,428,544, 1,884,376,719.36 and 770,813,771.52 is: 1,063,771,174.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,428,544 : 1,884,376,719.36 = 770,813,771.52 : x
  2. Step 2: Convert to fraction form
    1,365,428,544/1,884,376,719.36 = 770,813,771.52/x
  3. Step 3: Cross multiply
    1,365,428,544x = 1,884,376,719.36 × 770,813,771.52
  4. Step 4: Simplify right side
    1,365,428,544x = 1,452,503,526,014,366,208
  5. Step 5: Solve for x
    x = 1,452,503,526,014,366,208/1,365,428,544
  6. Step 6: Final answer
    x = 1,063,771,174.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.