Home / 702,470,013.68-1,053,706,816.88-177,839,171.76

Finding the Fourth Proportional to 702,470,013.68, 1,053,706,816.88 and 177,839,171.76

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Solution

The fourth proportional to 702,470,013.68, 1,053,706,816.88 and 177,839,171.76 is: 266,759,212.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,470,013.68 : 1,053,706,816.88 = 177,839,171.76 : x
  2. Step 2: Convert to fraction form
    702,470,013.68/1,053,706,816.88 = 177,839,171.76/x
  3. Step 3: Cross multiply
    702,470,013.68x = 1,053,706,816.88 × 177,839,171.76
  4. Step 4: Simplify right side
    702,470,013.68x = 187,390,347,590,915,968
  5. Step 5: Solve for x
    x = 187,390,347,590,915,968/702,470,013.68
  6. Step 6: Final answer
    x = 266,759,212.41

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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.