Home / 1,164,137,078.40-1,746,448,228.80-388,023,849.60

Finding the Fourth Proportional to 1,164,137,078.40, 1,746,448,228.80 and 388,023,849.60

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Solution

The fourth proportional to 1,164,137,078.40, 1,746,448,228.80 and 388,023,849.60 is: 582,116,640.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,137,078.40 : 1,746,448,228.80 = 388,023,849.60 : x
  2. Step 2: Convert to fraction form
    1,164,137,078.40/1,746,448,228.80 = 388,023,849.60/x
  3. Step 3: Cross multiply
    1,164,137,078.40x = 1,746,448,228.80 × 388,023,849.60
  4. Step 4: Simplify right side
    1,164,137,078.40x = 677,663,564,866,077,568
  5. Step 5: Solve for x
    x = 677,663,564,866,077,568/1,164,137,078.40
  6. Step 6: Final answer
    x = 582,116,640.25

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1.5x scale

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.