Home / 1,212,802,480.78-1,673,672,467.88-655,885,527.84

Finding the Fourth Proportional to 1,212,802,480.78, 1,673,672,467.88 and 655,885,527.84

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Solution

The fourth proportional to 1,212,802,480.78, 1,673,672,467.88 and 655,885,527.84 is: 905,124,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,802,480.78 : 1,673,672,467.88 = 655,885,527.84 : x
  2. Step 2: Convert to fraction form
    1,212,802,480.78/1,673,672,467.88 = 655,885,527.84/x
  3. Step 3: Cross multiply
    1,212,802,480.78x = 1,673,672,467.88 × 655,885,527.84
  4. Step 4: Simplify right side
    1,212,802,480.78x = 1,097,737,550,026,749,440
  5. Step 5: Solve for x
    x = 1,097,737,550,026,749,440/1,212,802,480.78
  6. Step 6: Final answer
    x = 905,124,756.44

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Double scale
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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.