Home / 1,175,460,015.60-1,763,376,647.40-399,178,825.20

Finding the Fourth Proportional to 1,175,460,015.60, 1,763,376,647.40 and 399,178,825.20

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Solution

The fourth proportional to 1,175,460,015.60, 1,763,376,647.40 and 399,178,825.20 is: 598,831,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,460,015.60 : 1,763,376,647.40 = 399,178,825.20 : x
  2. Step 2: Convert to fraction form
    1,175,460,015.60/1,763,376,647.40 = 399,178,825.20/x
  3. Step 3: Cross multiply
    1,175,460,015.60x = 1,763,376,647.40 × 399,178,825.20
  4. Step 4: Simplify right side
    1,175,460,015.60x = 703,902,618,494,246,656
  5. Step 5: Solve for x
    x = 703,902,618,494,246,656/1,175,460,015.60
  6. Step 6: Final answer
    x = 598,831,614.14

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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.