Home / 624,072,996-860,806,047.75-401,336,274.46

Finding the Fourth Proportional to 624,072,996, 860,806,047.75 and 401,336,274.46

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Solution

The fourth proportional to 624,072,996, 860,806,047.75 and 401,336,274.46 is: 553,577,377.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,072,996 : 860,806,047.75 = 401,336,274.46 : x
  2. Step 2: Convert to fraction form
    624,072,996/860,806,047.75 = 401,336,274.46/x
  3. Step 3: Cross multiply
    624,072,996x = 860,806,047.75 × 401,336,274.46
  4. Step 4: Simplify right side
    624,072,996x = 345,472,692,236,621,824
  5. Step 5: Solve for x
    x = 345,472,692,236,621,824/624,072,996
  6. Step 6: Final answer
    x = 553,577,377.09

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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.