Home / 829,323,722.39-1,243,990,234.29-276,624,633.46

Finding the Fourth Proportional to 829,323,722.39, 1,243,990,234.29 and 276,624,633.46

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Solution

The fourth proportional to 829,323,722.39, 1,243,990,234.29 and 276,624,633.46 is: 414,938,501.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,323,722.39 : 1,243,990,234.29 = 276,624,633.46 : x
  2. Step 2: Convert to fraction form
    829,323,722.39/1,243,990,234.29 = 276,624,633.46/x
  3. Step 3: Cross multiply
    829,323,722.39x = 1,243,990,234.29 × 276,624,633.46
  4. Step 4: Simplify right side
    829,323,722.39x = 344,118,342,583,485,888
  5. Step 5: Solve for x
    x = 344,118,342,583,485,888/829,323,722.39
  6. Step 6: Final answer
    x = 414,938,501.45

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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.