Home / 809,101,405.50-1,116,562,900.23-437,823,440.70

Finding the Fourth Proportional to 809,101,405.50, 1,116,562,900.23 and 437,823,440.70

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Solution

The fourth proportional to 809,101,405.50, 1,116,562,900.23 and 437,823,440.70 is: 604,197,950.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,101,405.50 : 1,116,562,900.23 = 437,823,440.70 : x
  2. Step 2: Convert to fraction form
    809,101,405.50/1,116,562,900.23 = 437,823,440.70/x
  3. Step 3: Cross multiply
    809,101,405.50x = 1,116,562,900.23 × 437,823,440.70
  4. Step 4: Simplify right side
    809,101,405.50x = 488,857,410,736,669,440
  5. Step 5: Solve for x
    x = 488,857,410,736,669,440/809,101,405.50
  6. Step 6: Final answer
    x = 604,197,950.24

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1.5x scale

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.