Home / 3,900,302,789,510.20-5,382,430,426,464.80-2,166,112,345,842

Finding the Fourth Proportional to 3,900,302,789,510.20, 5,382,430,426,464.80 and 2,166,112,345,842

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Solution

The fourth proportional to 3,900,302,789,510.20, 5,382,430,426,464.80 and 2,166,112,345,842 is: 2,989,242,022,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,302,789,510.20 : 5,382,430,426,464.80 = 2,166,112,345,842 : x
  2. Step 2: Convert to fraction form
    3,900,302,789,510.20/5,382,430,426,464.80 = 2,166,112,345,842/x
  3. Step 3: Cross multiply
    3,900,302,789,510.20x = 5,382,430,426,464.80 × 2,166,112,345,842
  4. Step 4: Simplify right side
    3,900,302,789,510.20x = 11,658,948,997,401,024,424,574,976
  5. Step 5: Solve for x
    x = 11,658,948,997,401,024,424,574,976/3,900,302,789,510.20
  6. Step 6: Final answer
    x = 2,989,242,022,121.35

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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.