Home / 2,021,285,200.90-3,031,927,801.35-489,475,408.90

Finding the Fourth Proportional to 2,021,285,200.90, 3,031,927,801.35 and 489,475,408.90

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Solution

The fourth proportional to 2,021,285,200.90, 3,031,927,801.35 and 489,475,408.90 is: 734,213,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,285,200.90 : 3,031,927,801.35 = 489,475,408.90 : x
  2. Step 2: Convert to fraction form
    2,021,285,200.90/3,031,927,801.35 = 489,475,408.90/x
  3. Step 3: Cross multiply
    2,021,285,200.90x = 3,031,927,801.35 × 489,475,408.90
  4. Step 4: Simplify right side
    2,021,285,200.90x = 1,484,054,100,321,069,056
  5. Step 5: Solve for x
    x = 1,484,054,100,321,069,056/2,021,285,200.90
  6. Step 6: Final answer
    x = 734,213,113.35

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Double scale
Find fourth proportional to 2,021,285,201.90, 3,031,927,802.85 and 489,475,409.90
Similar ratio
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1.5x scale

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.