Home / 3,886,392,818,884.50-5,363,390,678,980.40-2,152,202,375,216.20

Finding the Fourth Proportional to 3,886,392,818,884.50, 5,363,390,678,980.40 and 2,152,202,375,216.20

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Solution

The fourth proportional to 3,886,392,818,884.50, 5,363,390,678,980.40 and 2,152,202,375,216.20 is: 2,970,132,638,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,392,818,884.50 : 5,363,390,678,980.40 = 2,152,202,375,216.20 : x
  2. Step 2: Convert to fraction form
    3,886,392,818,884.50/5,363,390,678,980.40 = 2,152,202,375,216.20/x
  3. Step 3: Cross multiply
    3,886,392,818,884.50x = 5,363,390,678,980.40 × 2,152,202,375,216.20
  4. Step 4: Simplify right side
    3,886,392,818,884.50x = 11,543,102,158,514,045,228,941,312
  5. Step 5: Solve for x
    x = 11,543,102,158,514,045,228,941,312/3,886,392,818,884.50
  6. Step 6: Final answer
    x = 2,970,132,638,786.43

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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.