Home / 682,749,039.76-942,196,643.70-369,483,281.24

Finding the Fourth Proportional to 682,749,039.76, 942,196,643.70 and 369,483,281.24

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Solution

The fourth proportional to 682,749,039.76, 942,196,643.70 and 369,483,281.24 is: 509,888,534.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,749,039.76 : 942,196,643.70 = 369,483,281.24 : x
  2. Step 2: Convert to fraction form
    682,749,039.76/942,196,643.70 = 369,483,281.24/x
  3. Step 3: Cross multiply
    682,749,039.76x = 942,196,643.70 × 369,483,281.24
  4. Step 4: Simplify right side
    682,749,039.76x = 348,125,907,487,591,232
  5. Step 5: Solve for x
    x = 348,125,907,487,591,232/682,749,039.76
  6. Step 6: Final answer
    x = 509,888,534.75

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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.