Home / 1,245,156,028,262.90-1,867,815,995,103.80-326,247,868,990.89

Finding the Fourth Proportional to 1,245,156,028,262.90, 1,867,815,995,103.80 and 326,247,868,990.89

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Solution

The fourth proportional to 1,245,156,028,262.90, 1,867,815,995,103.80 and 326,247,868,990.89 is: 489,393,276,214.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,156,028,262.90 : 1,867,815,995,103.80 = 326,247,868,990.89 : x
  2. Step 2: Convert to fraction form
    1,245,156,028,262.90/1,867,815,995,103.80 = 326,247,868,990.89/x
  3. Step 3: Cross multiply
    1,245,156,028,262.90x = 1,867,815,995,103.80 × 326,247,868,990.89
  4. Step 4: Simplify right side
    1,245,156,028,262.90x = 609,370,988,069,713,371,725,824
  5. Step 5: Solve for x
    x = 609,370,988,069,713,371,725,824/1,245,156,028,262.90
  6. Step 6: Final answer
    x = 489,393,276,214.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.