Home / 1,565,173,131.24-2,159,909,863.56-860,310,044.28

Finding the Fourth Proportional to 1,565,173,131.24, 2,159,909,863.56 and 860,310,044.28

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Solution

The fourth proportional to 1,565,173,131.24, 2,159,909,863.56 and 860,310,044.28 is: 1,187,211,889.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,173,131.24 : 2,159,909,863.56 = 860,310,044.28 : x
  2. Step 2: Convert to fraction form
    1,565,173,131.24/2,159,909,863.56 = 860,310,044.28/x
  3. Step 3: Cross multiply
    1,565,173,131.24x = 2,159,909,863.56 × 860,310,044.28
  4. Step 4: Simplify right side
    1,565,173,131.24x = 1,858,192,150,360,112,128
  5. Step 5: Solve for x
    x = 1,858,192,150,360,112,128/1,565,173,131.24
  6. Step 6: Final answer
    x = 1,187,211,889.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.