Home / 3,360,503,872.23-4,637,373,736.89-1,855,097,889.78

Finding the Fourth Proportional to 3,360,503,872.23, 4,637,373,736.89 and 1,855,097,889.78

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Solution

The fourth proportional to 3,360,503,872.23, 4,637,373,736.89 and 1,855,097,889.78 is: 2,559,967,957.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360,503,872.23 : 4,637,373,736.89 = 1,855,097,889.78 : x
  2. Step 2: Convert to fraction form
    3,360,503,872.23/4,637,373,736.89 = 1,855,097,889.78/x
  3. Step 3: Cross multiply
    3,360,503,872.23x = 4,637,373,736.89 × 1,855,097,889.78
  4. Step 4: Simplify right side
    3,360,503,872.23x = 8,602,782,233,425,831,936
  5. Step 5: Solve for x
    x = 8,602,782,233,425,831,936/3,360,503,872.23
  6. Step 6: Final answer
    x = 2,559,967,957.34

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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.