Home / 1,007,889,814.40-1,511,834,721.60-835,702,930.40

Finding the Fourth Proportional to 1,007,889,814.40, 1,511,834,721.60 and 835,702,930.40

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Solution

The fourth proportional to 1,007,889,814.40, 1,511,834,721.60 and 835,702,930.40 is: 1,253,554,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,889,814.40 : 1,511,834,721.60 = 835,702,930.40 : x
  2. Step 2: Convert to fraction form
    1,007,889,814.40/1,511,834,721.60 = 835,702,930.40/x
  3. Step 3: Cross multiply
    1,007,889,814.40x = 1,511,834,721.60 × 835,702,930.40
  4. Step 4: Simplify right side
    1,007,889,814.40x = 1,263,444,707,121,587,968
  5. Step 5: Solve for x
    x = 1,263,444,707,121,587,968/1,007,889,814.40
  6. Step 6: Final answer
    x = 1,253,554,395.60

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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.