Home / 1,677,941,955.87-2,517,013,821.72-513,420,536.01

Finding the Fourth Proportional to 1,677,941,955.87, 2,517,013,821.72 and 513,420,536.01

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Solution

The fourth proportional to 1,677,941,955.87, 2,517,013,821.72 and 513,420,536.01 is: 770,161,673.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,941,955.87 : 2,517,013,821.72 = 513,420,536.01 : x
  2. Step 2: Convert to fraction form
    1,677,941,955.87/2,517,013,821.72 = 513,420,536.01/x
  3. Step 3: Cross multiply
    1,677,941,955.87x = 2,517,013,821.72 × 513,420,536.01
  4. Step 4: Simplify right side
    1,677,941,955.87x = 1,292,286,585,492,060,928
  5. Step 5: Solve for x
    x = 1,292,286,585,492,060,928/1,677,941,955.87
  6. Step 6: Final answer
    x = 770,161,673.93

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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.