Home / 1,436,185,515.36-2,154,278,863.80-345,668,583.36

Finding the Fourth Proportional to 1,436,185,515.36, 2,154,278,863.80 and 345,668,583.36

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Solution

The fourth proportional to 1,436,185,515.36, 2,154,278,863.80 and 345,668,583.36 is: 518,503,017.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,185,515.36 : 2,154,278,863.80 = 345,668,583.36 : x
  2. Step 2: Convert to fraction form
    1,436,185,515.36/2,154,278,863.80 = 345,668,583.36/x
  3. Step 3: Cross multiply
    1,436,185,515.36x = 2,154,278,863.80 × 345,668,583.36
  4. Step 4: Simplify right side
    1,436,185,515.36x = 744,666,523,012,136,448
  5. Step 5: Solve for x
    x = 744,666,523,012,136,448/1,436,185,515.36
  6. Step 6: Final answer
    x = 518,503,017.23

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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.