Home / 1,361,441,456,483.80-2,042,520,371,486.10-489,263,356,338.60

Finding the Fourth Proportional to 1,361,441,456,483.80, 2,042,520,371,486.10 and 489,263,356,338.60

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Solution

The fourth proportional to 1,361,441,456,483.80, 2,042,520,371,486.10 and 489,263,356,338.60 is: 734,023,756,647.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,441,456,483.80 : 2,042,520,371,486.10 = 489,263,356,338.60 : x
  2. Step 2: Convert to fraction form
    1,361,441,456,483.80/2,042,520,371,486.10 = 489,263,356,338.60/x
  3. Step 3: Cross multiply
    1,361,441,456,483.80x = 2,042,520,371,486.10 × 489,263,356,338.60
  4. Step 4: Simplify right side
    1,361,441,456,483.80x = 999,330,372,343,253,354,676,224
  5. Step 5: Solve for x
    x = 999,330,372,343,253,354,676,224/1,361,441,456,483.80
  6. Step 6: Final answer
    x = 734,023,756,647.04

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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.