Home / 1,137,763,475.77-1,706,647,409.16-438,584,863.45

Finding the Fourth Proportional to 1,137,763,475.77, 1,706,647,409.16 and 438,584,863.45

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Solution

The fourth proportional to 1,137,763,475.77, 1,706,647,409.16 and 438,584,863.45 is: 657,878,141.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,763,475.77 : 1,706,647,409.16 = 438,584,863.45 : x
  2. Step 2: Convert to fraction form
    1,137,763,475.77/1,706,647,409.16 = 438,584,863.45/x
  3. Step 3: Cross multiply
    1,137,763,475.77x = 1,706,647,409.16 × 438,584,863.45
  4. Step 4: Simplify right side
    1,137,763,475.77x = 748,509,720,903,734,912
  5. Step 5: Solve for x
    x = 748,509,720,903,734,912/1,137,763,475.77
  6. Step 6: Final answer
    x = 657,878,141.50

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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.