Home / 850,685,708,868.72-1,173,949,815,192.40-460,052,272,618.34

Finding the Fourth Proportional to 850,685,708,868.72, 1,173,949,815,192.40 and 460,052,272,618.34

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Solution

The fourth proportional to 850,685,708,868.72, 1,173,949,815,192.40 and 460,052,272,618.34 is: 634,874,049,003.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,685,708,868.72 : 1,173,949,815,192.40 = 460,052,272,618.34 : x
  2. Step 2: Convert to fraction form
    850,685,708,868.72/1,173,949,815,192.40 = 460,052,272,618.34/x
  3. Step 3: Cross multiply
    850,685,708,868.72x = 1,173,949,815,192.40 × 460,052,272,618.34
  4. Step 4: Simplify right side
    850,685,708,868.72x = 540,078,280,419,143,860,617,216
  5. Step 5: Solve for x
    x = 540,078,280,419,143,860,617,216/850,685,708,868.72
  6. Step 6: Final answer
    x = 634,874,049,003.79

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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.