Home / 886,464,400.80-1,329,696,601.20-272,968,910.40

Finding the Fourth Proportional to 886,464,400.80, 1,329,696,601.20 and 272,968,910.40

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Solution

The fourth proportional to 886,464,400.80, 1,329,696,601.20 and 272,968,910.40 is: 409,453,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,464,400.80 : 1,329,696,601.20 = 272,968,910.40 : x
  2. Step 2: Convert to fraction form
    886,464,400.80/1,329,696,601.20 = 272,968,910.40/x
  3. Step 3: Cross multiply
    886,464,400.80x = 1,329,696,601.20 × 272,968,910.40
  4. Step 4: Simplify right side
    886,464,400.80x = 362,965,832,392,147,328
  5. Step 5: Solve for x
    x = 362,965,832,392,147,328/886,464,400.80
  6. Step 6: Final answer
    x = 409,453,365.60

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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.