Home / 2,485,901,021,524-3,430,506,900,626.20-1,388,499,646,498.60

Finding the Fourth Proportional to 2,485,901,021,524, 3,430,506,900,626.20 and 1,388,499,646,498.60

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Solution

The fourth proportional to 2,485,901,021,524, 3,430,506,900,626.20 and 1,388,499,646,498.60 is: 1,916,109,120,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,901,021,524 : 3,430,506,900,626.20 = 1,388,499,646,498.60 : x
  2. Step 2: Convert to fraction form
    2,485,901,021,524/3,430,506,900,626.20 = 1,388,499,646,498.60/x
  3. Step 3: Cross multiply
    2,485,901,021,524x = 3,430,506,900,626.20 × 1,388,499,646,498.60
  4. Step 4: Simplify right side
    2,485,901,021,524x = 4,763,257,618,830,487,267,049,472
  5. Step 5: Solve for x
    x = 4,763,257,618,830,487,267,049,472/2,485,901,021,524
  6. Step 6: Final answer
    x = 1,916,109,120,028.58

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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.