Home / 481,071,423.60-663,878,564.64-261,054,849.60

Finding the Fourth Proportional to 481,071,423.60, 663,878,564.64 and 261,054,849.60

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Solution

The fourth proportional to 481,071,423.60, 663,878,564.64 and 261,054,849.60 is: 360,255,692.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,071,423.60 : 663,878,564.64 = 261,054,849.60 : x
  2. Step 2: Convert to fraction form
    481,071,423.60/663,878,564.64 = 261,054,849.60/x
  3. Step 3: Cross multiply
    481,071,423.60x = 663,878,564.64 × 261,054,849.60
  4. Step 4: Simplify right side
    481,071,423.60x = 173,308,718,844,759,072
  5. Step 5: Solve for x
    x = 173,308,718,844,759,072/481,071,423.60
  6. Step 6: Final answer
    x = 360,255,692.49

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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.