Home / 2,978,874,417.45-4,110,846,501.22-1,726,537,686.76

Finding the Fourth Proportional to 2,978,874,417.45, 4,110,846,501.22 and 1,726,537,686.76

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Solution

The fourth proportional to 2,978,874,417.45, 4,110,846,501.22 and 1,726,537,686.76 is: 2,382,621,894.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,874,417.45 : 4,110,846,501.22 = 1,726,537,686.76 : x
  2. Step 2: Convert to fraction form
    2,978,874,417.45/4,110,846,501.22 = 1,726,537,686.76/x
  3. Step 3: Cross multiply
    2,978,874,417.45x = 4,110,846,501.22 × 1,726,537,686.76
  4. Step 4: Simplify right side
    2,978,874,417.45x = 7,097,531,408,829,469,696
  5. Step 5: Solve for x
    x = 7,097,531,408,829,469,696/2,978,874,417.45
  6. Step 6: Final answer
    x = 2,382,621,894.78

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1.5x scale

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.