Home / 2,021,285,200.65-3,031,927,800.98-489,475,408.65

Finding the Fourth Proportional to 2,021,285,200.65, 3,031,927,800.98 and 489,475,408.65

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Solution

The fourth proportional to 2,021,285,200.65, 3,031,927,800.98 and 489,475,408.65 is: 734,213,112.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,285,200.65 : 3,031,927,800.98 = 489,475,408.65 : x
  2. Step 2: Convert to fraction form
    2,021,285,200.65/3,031,927,800.98 = 489,475,408.65/x
  3. Step 3: Cross multiply
    2,021,285,200.65x = 3,031,927,800.98 × 489,475,408.65
  4. Step 4: Simplify right side
    2,021,285,200.65x = 1,484,054,099,379,533,824
  5. Step 5: Solve for x
    x = 1,484,054,099,379,533,824/2,021,285,200.65
  6. Step 6: Final answer
    x = 734,213,112.98

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Double scale
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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.