Home / 3,886,392,818,889.80-5,363,390,678,989-2,152,202,375,222.10

Finding the Fourth Proportional to 3,886,392,818,889.80, 5,363,390,678,989 and 2,152,202,375,222.10

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Solution

The fourth proportional to 3,886,392,818,889.80, 5,363,390,678,989 and 2,152,202,375,222.10 is: 2,970,132,638,795.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,392,818,889.80 : 5,363,390,678,989 = 2,152,202,375,222.10 : x
  2. Step 2: Convert to fraction form
    3,886,392,818,889.80/5,363,390,678,989 = 2,152,202,375,222.10/x
  3. Step 3: Cross multiply
    3,886,392,818,889.80x = 5,363,390,678,989 × 2,152,202,375,222.10
  4. Step 4: Simplify right side
    3,886,392,818,889.80x = 11,543,102,158,564,197,562,056,704
  5. Step 5: Solve for x
    x = 11,543,102,158,564,197,562,056,704/3,886,392,818,889.80
  6. Step 6: Final answer
    x = 2,970,132,638,795.28

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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.