Home / 697,729,745.48-962,823,664.51-384,446,427.80

Finding the Fourth Proportional to 697,729,745.48, 962,823,664.51 and 384,446,427.80

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Solution

The fourth proportional to 697,729,745.48, 962,823,664.51 and 384,446,427.80 is: 530,512,165.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,729,745.48 : 962,823,664.51 = 384,446,427.80 : x
  2. Step 2: Convert to fraction form
    697,729,745.48/962,823,664.51 = 384,446,427.80/x
  3. Step 3: Cross multiply
    697,729,745.48x = 962,823,664.51 × 384,446,427.80
  4. Step 4: Simplify right side
    697,729,745.48x = 370,154,118,416,399,936
  5. Step 5: Solve for x
    x = 370,154,118,416,399,936/697,729,745.48
  6. Step 6: Final answer
    x = 530,512,165.80

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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.