Home / 1,399,682,962.63-1,931,621,169.70-804,967,911.30

Finding the Fourth Proportional to 1,399,682,962.63, 1,931,621,169.70 and 804,967,911.30

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Solution

The fourth proportional to 1,399,682,962.63, 1,931,621,169.70 and 804,967,911.30 is: 1,110,889,465.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,682,962.63 : 1,931,621,169.70 = 804,967,911.30 : x
  2. Step 2: Convert to fraction form
    1,399,682,962.63/1,931,621,169.70 = 804,967,911.30/x
  3. Step 3: Cross multiply
    1,399,682,962.63x = 1,931,621,169.70 × 804,967,911.30
  4. Step 4: Simplify right side
    1,399,682,962.63x = 1,554,893,058,396,271,872
  5. Step 5: Solve for x
    x = 1,554,893,058,396,271,872/1,399,682,962.63
  6. Step 6: Final answer
    x = 1,110,889,465.62

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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.