Home / 857,194,098.84-1,285,918,915.56-304,450,089.54

Finding the Fourth Proportional to 857,194,098.84, 1,285,918,915.56 and 304,450,089.54

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Solution

The fourth proportional to 857,194,098.84, 1,285,918,915.56 and 304,450,089.54 is: 456,720,513.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,194,098.84 : 1,285,918,915.56 = 304,450,089.54 : x
  2. Step 2: Convert to fraction form
    857,194,098.84/1,285,918,915.56 = 304,450,089.54/x
  3. Step 3: Cross multiply
    857,194,098.84x = 1,285,918,915.56 × 304,450,089.54
  4. Step 4: Simplify right side
    857,194,098.84x = 391,498,128,983,421,696
  5. Step 5: Solve for x
    x = 391,498,128,983,421,696/857,194,098.84
  6. Step 6: Final answer
    x = 456,720,513.49

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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.