Home / 433,078,626.50-649,656,113.80-122,188,965.74

Finding the Fourth Proportional to 433,078,626.50, 649,656,113.80 and 122,188,965.74

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Solution

The fourth proportional to 433,078,626.50, 649,656,113.80 and 122,188,965.74 is: 183,294,219.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,078,626.50 : 649,656,113.80 = 122,188,965.74 : x
  2. Step 2: Convert to fraction form
    433,078,626.50/649,656,113.80 = 122,188,965.74/x
  3. Step 3: Cross multiply
    433,078,626.50x = 649,656,113.80 × 122,188,965.74
  4. Step 4: Simplify right side
    433,078,626.50x = 79,380,808,631,889,728
  5. Step 5: Solve for x
    x = 79,380,808,631,889,728/433,078,626.50
  6. Step 6: Final answer
    x = 183,294,219.05

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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.