Home / 929,183,338.56-1,282,289,314.50-505,809,172.20

Finding the Fourth Proportional to 929,183,338.56, 1,282,289,314.50 and 505,809,172.20

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Solution

The fourth proportional to 929,183,338.56, 1,282,289,314.50 and 505,809,172.20 is: 698,025,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,183,338.56 : 1,282,289,314.50 = 505,809,172.20 : x
  2. Step 2: Convert to fraction form
    929,183,338.56/1,282,289,314.50 = 505,809,172.20/x
  3. Step 3: Cross multiply
    929,183,338.56x = 1,282,289,314.50 × 505,809,172.20
  4. Step 4: Simplify right side
    929,183,338.56x = 648,593,696,688,150,400
  5. Step 5: Solve for x
    x = 648,593,696,688,150,400/929,183,338.56
  6. Step 6: Final answer
    x = 698,025,534.65

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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.