Home / 1,208,016,100.50-1,812,026,252.68-379,033,361.42

Finding the Fourth Proportional to 1,208,016,100.50, 1,812,026,252.68 and 379,033,361.42

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Solution

The fourth proportional to 1,208,016,100.50, 1,812,026,252.68 and 379,033,361.42 is: 568,550,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,016,100.50 : 1,812,026,252.68 = 379,033,361.42 : x
  2. Step 2: Convert to fraction form
    1,208,016,100.50/1,812,026,252.68 = 379,033,361.42/x
  3. Step 3: Cross multiply
    1,208,016,100.50x = 1,812,026,252.68 × 379,033,361.42
  4. Step 4: Simplify right side
    1,208,016,100.50x = 686,818,401,534,586,752
  5. Step 5: Solve for x
    x = 686,818,401,534,586,752/1,208,016,100.50
  6. Step 6: Final answer
    x = 568,550,701.64

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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.