Home / 798,901,391.28-1,102,517,968.26-446,477,371.62

Finding the Fourth Proportional to 798,901,391.28, 1,102,517,968.26 and 446,477,371.62

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Solution

The fourth proportional to 798,901,391.28, 1,102,517,968.26 and 446,477,371.62 is: 616,157,801.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,901,391.28 : 1,102,517,968.26 = 446,477,371.62 : x
  2. Step 2: Convert to fraction form
    798,901,391.28/1,102,517,968.26 = 446,477,371.62/x
  3. Step 3: Cross multiply
    798,901,391.28x = 1,102,517,968.26 × 446,477,371.62
  4. Step 4: Simplify right side
    798,901,391.28x = 492,249,324,632,547,392
  5. Step 5: Solve for x
    x = 492,249,324,632,547,392/798,901,391.28
  6. Step 6: Final answer
    x = 616,157,801.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.