Home / 1,636,690,915.44-2,453,359,222.22-1,242,383,021.28

Finding the Fourth Proportional to 1,636,690,915.44, 2,453,359,222.22 and 1,242,383,021.28

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Solution

The fourth proportional to 1,636,690,915.44, 2,453,359,222.22 and 1,242,383,021.28 is: 1,862,301,436.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,690,915.44 : 2,453,359,222.22 = 1,242,383,021.28 : x
  2. Step 2: Convert to fraction form
    1,636,690,915.44/2,453,359,222.22 = 1,242,383,021.28/x
  3. Step 3: Cross multiply
    1,636,690,915.44x = 2,453,359,222.22 × 1,242,383,021.28
  4. Step 4: Simplify right side
    1,636,690,915.44x = 3,048,011,842,786,834,432
  5. Step 5: Solve for x
    x = 3,048,011,842,786,834,432/1,636,690,915.44
  6. Step 6: Final answer
    x = 1,862,301,436.41

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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.