Home / 4,870,846,897.53-6,721,768,719.23-2,643,179,085.78

Finding the Fourth Proportional to 4,870,846,897.53, 6,721,768,719.23 and 2,643,179,085.78

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Solution

The fourth proportional to 4,870,846,897.53, 6,721,768,719.23 and 2,643,179,085.78 is: 3,647,587,138.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870,846,897.53 : 6,721,768,719.23 = 2,643,179,085.78 : x
  2. Step 2: Convert to fraction form
    4,870,846,897.53/6,721,768,719.23 = 2,643,179,085.78/x
  3. Step 3: Cross multiply
    4,870,846,897.53x = 6,721,768,719.23 × 2,643,179,085.78
  4. Step 4: Simplify right side
    4,870,846,897.53x = 17,766,838,498,105,739,264
  5. Step 5: Solve for x
    x = 17,766,838,498,105,739,264/4,870,846,897.53
  6. Step 6: Final answer
    x = 3,647,587,138.72

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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.