Home / 551,738,155.53-761,583,157.31-328,789,749.48

Finding the Fourth Proportional to 551,738,155.53, 761,583,157.31 and 328,789,749.48

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Solution

The fourth proportional to 551,738,155.53, 761,583,157.31 and 328,789,749.48 is: 453,839,802.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,738,155.53 : 761,583,157.31 = 328,789,749.48 : x
  2. Step 2: Convert to fraction form
    551,738,155.53/761,583,157.31 = 328,789,749.48/x
  3. Step 3: Cross multiply
    551,738,155.53x = 761,583,157.31 × 328,789,749.48
  4. Step 4: Simplify right side
    551,738,155.53x = 250,400,735,498,498,368
  5. Step 5: Solve for x
    x = 250,400,735,498,498,368/551,738,155.53
  6. Step 6: Final answer
    x = 453,839,802.43

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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.