Home / 1,225,624,038.99-1,691,883,058.92-823,970,732.01

Finding the Fourth Proportional to 1,225,624,038.99, 1,691,883,058.92 and 823,970,732.01

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Solution

The fourth proportional to 1,225,624,038.99, 1,691,883,058.92 and 823,970,732.01 is: 1,137,430,466.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,624,038.99 : 1,691,883,058.92 = 823,970,732.01 : x
  2. Step 2: Convert to fraction form
    1,225,624,038.99/1,691,883,058.92 = 823,970,732.01/x
  3. Step 3: Cross multiply
    1,225,624,038.99x = 1,691,883,058.92 × 823,970,732.01
  4. Step 4: Simplify right side
    1,225,624,038.99x = 1,394,062,122,533,630,464
  5. Step 5: Solve for x
    x = 1,394,062,122,533,630,464/1,225,624,038.99
  6. Step 6: Final answer
    x = 1,137,430,466.59

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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.