Home / 1,173,066,265.34-1,618,848,027.24-644,479,103.52

Finding the Fourth Proportional to 1,173,066,265.34, 1,618,848,027.24 and 644,479,103.52

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Solution

The fourth proportional to 1,173,066,265.34, 1,618,848,027.24 and 644,479,103.52 is: 889,390,272.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,066,265.34 : 1,618,848,027.24 = 644,479,103.52 : x
  2. Step 2: Convert to fraction form
    1,173,066,265.34/1,618,848,027.24 = 644,479,103.52/x
  3. Step 3: Cross multiply
    1,173,066,265.34x = 1,618,848,027.24 × 644,479,103.52
  4. Step 4: Simplify right side
    1,173,066,265.34x = 1,043,313,725,330,755,712
  5. Step 5: Solve for x
    x = 1,043,313,725,330,755,712/1,173,066,265.34
  6. Step 6: Final answer
    x = 889,390,272.45

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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.