Home / 1,137,763,470.78-1,706,647,401.68-438,584,858.46

Finding the Fourth Proportional to 1,137,763,470.78, 1,706,647,401.68 and 438,584,858.46

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Solution

The fourth proportional to 1,137,763,470.78, 1,706,647,401.68 and 438,584,858.46 is: 657,878,134.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,763,470.78 : 1,706,647,401.68 = 438,584,858.46 : x
  2. Step 2: Convert to fraction form
    1,137,763,470.78/1,706,647,401.68 = 438,584,858.46/x
  3. Step 3: Cross multiply
    1,137,763,470.78x = 1,706,647,401.68 × 438,584,858.46
  4. Step 4: Simplify right side
    1,137,763,470.78x = 748,509,709,106,949,504
  5. Step 5: Solve for x
    x = 748,509,709,106,949,504/1,137,763,470.78
  6. Step 6: Final answer
    x = 657,878,134.01

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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.