Home / 2,642,136,598.75-3,646,162,917.90-1,555,865,880.34

Finding the Fourth Proportional to 2,642,136,598.75, 3,646,162,917.90 and 1,555,865,880.34

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Solution

The fourth proportional to 2,642,136,598.75, 3,646,162,917.90 and 1,555,865,880.34 is: 2,147,103,401.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,136,598.75 : 3,646,162,917.90 = 1,555,865,880.34 : x
  2. Step 2: Convert to fraction form
    2,642,136,598.75/3,646,162,917.90 = 1,555,865,880.34/x
  3. Step 3: Cross multiply
    2,642,136,598.75x = 3,646,162,917.90 × 1,555,865,880.34
  4. Step 4: Simplify right side
    2,642,136,598.75x = 5,672,940,478,113,767,424
  5. Step 5: Solve for x
    x = 5,672,940,478,113,767,424/2,642,136,598.75
  6. Step 6: Final answer
    x = 2,147,103,401.39

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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.