Home / 788,441,185.68-1,182,828,296.70-297,144,057.84

Finding the Fourth Proportional to 788,441,185.68, 1,182,828,296.70 and 297,144,057.84

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Solution

The fourth proportional to 788,441,185.68, 1,182,828,296.70 and 297,144,057.84 is: 445,778,843.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,441,185.68 : 1,182,828,296.70 = 297,144,057.84 : x
  2. Step 2: Convert to fraction form
    788,441,185.68/1,182,828,296.70 = 297,144,057.84/x
  3. Step 3: Cross multiply
    788,441,185.68x = 1,182,828,296.70 × 297,144,057.84
  4. Step 4: Simplify right side
    788,441,185.68x = 351,470,399,809,413,440
  5. Step 5: Solve for x
    x = 351,470,399,809,413,440/788,441,185.68
  6. Step 6: Final answer
    x = 445,778,843.36

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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.