Home / 320,017,536.36-441,621,849.06-180,785,768.04

Finding the Fourth Proportional to 320,017,536.36, 441,621,849.06 and 180,785,768.04

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Solution

The fourth proportional to 320,017,536.36, 441,621,849.06 and 180,785,768.04 is: 249,483,031.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,017,536.36 : 441,621,849.06 = 180,785,768.04 : x
  2. Step 2: Convert to fraction form
    320,017,536.36/441,621,849.06 = 180,785,768.04/x
  3. Step 3: Cross multiply
    320,017,536.36x = 441,621,849.06 × 180,785,768.04
  4. Step 4: Simplify right side
    320,017,536.36x = 79,838,945,165,557,056
  5. Step 5: Solve for x
    x = 79,838,945,165,557,056/320,017,536.36
  6. Step 6: Final answer
    x = 249,483,031.69

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1.5x scale

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.