Home / 868,045,379.80-1,302,068,069.70-322,674,064.60

Finding the Fourth Proportional to 868,045,379.80, 1,302,068,069.70 and 322,674,064.60

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Solution

The fourth proportional to 868,045,379.80, 1,302,068,069.70 and 322,674,064.60 is: 484,011,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,045,379.80 : 1,302,068,069.70 = 322,674,064.60 : x
  2. Step 2: Convert to fraction form
    868,045,379.80/1,302,068,069.70 = 322,674,064.60/x
  3. Step 3: Cross multiply
    868,045,379.80x = 1,302,068,069.70 × 322,674,064.60
  4. Step 4: Simplify right side
    868,045,379.80x = 420,143,596,435,975,168
  5. Step 5: Solve for x
    x = 420,143,596,435,975,168/868,045,379.80
  6. Step 6: Final answer
    x = 484,011,096.90

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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.