Home / 484,637,985.60-726,961,125.60-161,521,857.60

Finding the Fourth Proportional to 484,637,985.60, 726,961,125.60 and 161,521,857.60

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Solution

The fourth proportional to 484,637,985.60, 726,961,125.60 and 161,521,857.60 is: 242,284,168.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,637,985.60 : 726,961,125.60 = 161,521,857.60 : x
  2. Step 2: Convert to fraction form
    484,637,985.60/726,961,125.60 = 161,521,857.60/x
  3. Step 3: Cross multiply
    484,637,985.60x = 726,961,125.60 × 161,521,857.60
  4. Step 4: Simplify right side
    484,637,985.60x = 117,420,111,409,898,912
  5. Step 5: Solve for x
    x = 117,420,111,409,898,912/484,637,985.60
  6. Step 6: Final answer
    x = 242,284,168.59

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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.