Home / 480,411,654.36-720,681,927.12-169,446,170.28

Finding the Fourth Proportional to 480,411,654.36, 720,681,927.12 and 169,446,170.28

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Solution

The fourth proportional to 480,411,654.36, 720,681,927.12 and 169,446,170.28 is: 254,191,986.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,411,654.36 : 720,681,927.12 = 169,446,170.28 : x
  2. Step 2: Convert to fraction form
    480,411,654.36/720,681,927.12 = 169,446,170.28/x
  3. Step 3: Cross multiply
    480,411,654.36x = 720,681,927.12 × 169,446,170.28
  4. Step 4: Simplify right side
    480,411,654.36x = 122,116,792,540,494,064
  5. Step 5: Solve for x
    x = 122,116,792,540,494,064/480,411,654.36
  6. Step 6: Final answer
    x = 254,191,986.04

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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.