Home / 682,749,043.76-942,196,649.22-369,483,285.24

Finding the Fourth Proportional to 682,749,043.76, 942,196,649.22 and 369,483,285.24

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Solution

The fourth proportional to 682,749,043.76, 942,196,649.22 and 369,483,285.24 is: 509,888,540.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,749,043.76 : 942,196,649.22 = 369,483,285.24 : x
  2. Step 2: Convert to fraction form
    682,749,043.76/942,196,649.22 = 369,483,285.24/x
  3. Step 3: Cross multiply
    682,749,043.76x = 942,196,649.22 × 369,483,285.24
  4. Step 4: Simplify right side
    682,749,043.76x = 348,125,913,295,925,504
  5. Step 5: Solve for x
    x = 348,125,913,295,925,504/682,749,043.76
  6. Step 6: Final answer
    x = 509,888,540.27

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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.