Home / 925,216,737.93-1,276,787,186.64-528,735,187.17

Finding the Fourth Proportional to 925,216,737.93, 1,276,787,186.64 and 528,735,187.17

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Solution

The fourth proportional to 925,216,737.93, 1,276,787,186.64 and 528,735,187.17 is: 729,647,751.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,216,737.93 : 1,276,787,186.64 = 528,735,187.17 : x
  2. Step 2: Convert to fraction form
    925,216,737.93/1,276,787,186.64 = 528,735,187.17/x
  3. Step 3: Cross multiply
    925,216,737.93x = 1,276,787,186.64 × 528,735,187.17
  4. Step 4: Simplify right side
    925,216,737.93x = 675,082,312,104,358,144
  5. Step 5: Solve for x
    x = 675,082,312,104,358,144/925,216,737.93
  6. Step 6: Final answer
    x = 729,647,751.09

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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.