Home / 791,258,808.69-1,187,069,001.39-273,688,812.45

Finding the Fourth Proportional to 791,258,808.69, 1,187,069,001.39 and 273,688,812.45

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Solution

The fourth proportional to 791,258,808.69, 1,187,069,001.39 and 273,688,812.45 is: 410,595,751.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,258,808.69 : 1,187,069,001.39 = 273,688,812.45 : x
  2. Step 2: Convert to fraction form
    791,258,808.69/1,187,069,001.39 = 273,688,812.45/x
  3. Step 3: Cross multiply
    791,258,808.69x = 1,187,069,001.39 × 273,688,812.45
  4. Step 4: Simplify right side
    791,258,808.69x = 324,887,505,286,636,544
  5. Step 5: Solve for x
    x = 324,887,505,286,636,544/791,258,808.69
  6. Step 6: Final answer
    x = 410,595,751.63

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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.