Home / 3,900,302,789,548.50-5,382,430,426,516.90-2,166,112,345,880

Finding the Fourth Proportional to 3,900,302,789,548.50, 5,382,430,426,516.90 and 2,166,112,345,880

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Solution

The fourth proportional to 3,900,302,789,548.50, 5,382,430,426,516.90 and 2,166,112,345,880 is: 2,989,242,022,173.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900,302,789,548.50 : 5,382,430,426,516.90 = 2,166,112,345,880 : x
  2. Step 2: Convert to fraction form
    3,900,302,789,548.50/5,382,430,426,516.90 = 2,166,112,345,880/x
  3. Step 3: Cross multiply
    3,900,302,789,548.50x = 5,382,430,426,516.90 × 2,166,112,345,880
  4. Step 4: Simplify right side
    3,900,302,789,548.50x = 11,658,948,997,718,411,770,331,136
  5. Step 5: Solve for x
    x = 11,658,948,997,718,411,770,331,136/3,900,302,789,548.50
  6. Step 6: Final answer
    x = 2,989,242,022,173.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.