Home / 1,385,631,985.74-2,078,758,183.08-465,483,228.54

Finding the Fourth Proportional to 1,385,631,985.74, 2,078,758,183.08 and 465,483,228.54

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Solution

The fourth proportional to 1,385,631,985.74, 2,078,758,183.08 and 465,483,228.54 is: 698,329,051.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,631,985.74 : 2,078,758,183.08 = 465,483,228.54 : x
  2. Step 2: Convert to fraction form
    1,385,631,985.74/2,078,758,183.08 = 465,483,228.54/x
  3. Step 3: Cross multiply
    1,385,631,985.74x = 2,078,758,183.08 × 465,483,228.54
  4. Step 4: Simplify right side
    1,385,631,985.74x = 967,627,070,414,022,784
  5. Step 5: Solve for x
    x = 967,627,070,414,022,784/1,385,631,985.74
  6. Step 6: Final answer
    x = 698,329,051.56

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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.