Home / 2,021,285,216.40-3,031,927,824.60-489,475,424.40

Finding the Fourth Proportional to 2,021,285,216.40, 3,031,927,824.60 and 489,475,424.40

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Solution

The fourth proportional to 2,021,285,216.40, 3,031,927,824.60 and 489,475,424.40 is: 734,213,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,285,216.40 : 3,031,927,824.60 = 489,475,424.40 : x
  2. Step 2: Convert to fraction form
    2,021,285,216.40/3,031,927,824.60 = 489,475,424.40/x
  3. Step 3: Cross multiply
    2,021,285,216.40x = 3,031,927,824.60 × 489,475,424.40
  4. Step 4: Simplify right side
    2,021,285,216.40x = 1,484,054,158,696,253,696
  5. Step 5: Solve for x
    x = 1,484,054,158,696,253,696/2,021,285,216.40
  6. Step 6: Final answer
    x = 734,213,136.60

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Double scale
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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.