Home / 332,208,918.58-455,118,603.61-319,788,492.34

Finding the Fourth Proportional to 332,208,918.58, 455,118,603.61 and 319,788,492.34

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Solution

The fourth proportional to 332,208,918.58, 455,118,603.61 and 319,788,492.34 is: 438,102,904.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,208,918.58 : 455,118,603.61 = 319,788,492.34 : x
  2. Step 2: Convert to fraction form
    332,208,918.58/455,118,603.61 = 319,788,492.34/x
  3. Step 3: Cross multiply
    332,208,918.58x = 455,118,603.61 × 319,788,492.34
  4. Step 4: Simplify right side
    332,208,918.58x = 145,541,692,082,729,024
  5. Step 5: Solve for x
    x = 145,541,692,082,729,024/332,208,918.58
  6. Step 6: Final answer
    x = 438,102,904.36

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.