Home / 859,651,265.10-1,289,729,889.81-277,374,587.34

Finding the Fourth Proportional to 859,651,265.10, 1,289,729,889.81 and 277,374,587.34

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Solution

The fourth proportional to 859,651,265.10, 1,289,729,889.81 and 277,374,587.34 is: 416,143,511.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,651,265.10 : 1,289,729,889.81 = 277,374,587.34 : x
  2. Step 2: Convert to fraction form
    859,651,265.10/1,289,729,889.81 = 277,374,587.34/x
  3. Step 3: Cross multiply
    859,651,265.10x = 1,289,729,889.81 × 277,374,587.34
  4. Step 4: Simplify right side
    859,651,265.10x = 357,738,295,966,112,384
  5. Step 5: Solve for x
    x = 357,738,295,966,112,384/859,651,265.10
  6. Step 6: Final answer
    x = 416,143,511.32

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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.