Home / 665,097,405.92-917,632,834.80-464,148,935.04

Finding the Fourth Proportional to 665,097,405.92, 917,632,834.80 and 464,148,935.04

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Solution

The fourth proportional to 665,097,405.92, 917,632,834.80 and 464,148,935.04 is: 640,384,850.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,097,405.92 : 917,632,834.80 = 464,148,935.04 : x
  2. Step 2: Convert to fraction form
    665,097,405.92/917,632,834.80 = 464,148,935.04/x
  3. Step 3: Cross multiply
    665,097,405.92x = 917,632,834.80 × 464,148,935.04
  4. Step 4: Simplify right side
    665,097,405.92x = 425,918,303,030,156,224
  5. Step 5: Solve for x
    x = 425,918,303,030,156,224/665,097,405.92
  6. Step 6: Final answer
    x = 640,384,850.76

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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.