Home / 1,289,120,502,172.20-1,778,991,823,719.90-703,183,116,807.98

Finding the Fourth Proportional to 1,289,120,502,172.20, 1,778,991,823,719.90 and 703,183,116,807.98

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Solution

The fourth proportional to 1,289,120,502,172.20, 1,778,991,823,719.90 and 703,183,116,807.98 is: 970,395,718,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,120,502,172.20 : 1,778,991,823,719.90 = 703,183,116,807.98 : x
  2. Step 2: Convert to fraction form
    1,289,120,502,172.20/1,778,991,823,719.90 = 703,183,116,807.98/x
  3. Step 3: Cross multiply
    1,289,120,502,172.20x = 1,778,991,823,719.90 × 703,183,116,807.98
  4. Step 4: Simplify right side
    1,289,120,502,172.20x = 1,250,957,015,379,271,621,804,032
  5. Step 5: Solve for x
    x = 1,250,957,015,379,271,621,804,032/1,289,120,502,172.20
  6. Step 6: Final answer
    x = 970,395,718,066.22

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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.