Home / 785,159,585.44-1,083,562,838.16-450,629,433.34

Finding the Fourth Proportional to 785,159,585.44, 1,083,562,838.16 and 450,629,433.34

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Solution

The fourth proportional to 785,159,585.44, 1,083,562,838.16 and 450,629,433.34 is: 621,893,073.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,159,585.44 : 1,083,562,838.16 = 450,629,433.34 : x
  2. Step 2: Convert to fraction form
    785,159,585.44/1,083,562,838.16 = 450,629,433.34/x
  3. Step 3: Cross multiply
    785,159,585.44x = 1,083,562,838.16 × 450,629,433.34
  4. Step 4: Simplify right side
    785,159,585.44x = 488,285,307,748,322,944
  5. Step 5: Solve for x
    x = 488,285,307,748,322,944/785,159,585.44
  6. Step 6: Final answer
    x = 621,893,073.46

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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.