Home / 1,399,682,964.63-1,931,621,172.46-804,967,913.30

Finding the Fourth Proportional to 1,399,682,964.63, 1,931,621,172.46 and 804,967,913.30

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Solution

The fourth proportional to 1,399,682,964.63, 1,931,621,172.46 and 804,967,913.30 is: 1,110,889,468.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,682,964.63 : 1,931,621,172.46 = 804,967,913.30 : x
  2. Step 2: Convert to fraction form
    1,399,682,964.63/1,931,621,172.46 = 804,967,913.30/x
  3. Step 3: Cross multiply
    1,399,682,964.63x = 1,931,621,172.46 × 804,967,913.30
  4. Step 4: Simplify right side
    1,399,682,964.63x = 1,554,893,064,481,225,472
  5. Step 5: Solve for x
    x = 1,554,893,064,481,225,472/1,399,682,964.63
  6. Step 6: Final answer
    x = 1,110,889,468.38

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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.