Home / 1,261,697,898.48-1,889,456,354.26-1,042,004,125.68

Finding the Fourth Proportional to 1,261,697,898.48, 1,889,456,354.26 and 1,042,004,125.68

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Solution

The fourth proportional to 1,261,697,898.48, 1,889,456,354.26 and 1,042,004,125.68 is: 1,560,453,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,697,898.48 : 1,889,456,354.26 = 1,042,004,125.68 : x
  2. Step 2: Convert to fraction form
    1,261,697,898.48/1,889,456,354.26 = 1,042,004,125.68/x
  3. Step 3: Cross multiply
    1,261,697,898.48x = 1,889,456,354.26 × 1,042,004,125.68
  4. Step 4: Simplify right side
    1,261,697,898.48x = 1,968,821,316,431,211,520
  5. Step 5: Solve for x
    x = 1,968,821,316,431,211,520/1,261,697,898.48
  6. Step 6: Final answer
    x = 1,560,453,828.77

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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.