Home / 682,749,039.26-942,196,643.01-369,483,280.74

Finding the Fourth Proportional to 682,749,039.26, 942,196,643.01 and 369,483,280.74

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Solution

The fourth proportional to 682,749,039.26, 942,196,643.01 and 369,483,280.74 is: 509,888,534.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,749,039.26 : 942,196,643.01 = 369,483,280.74 : x
  2. Step 2: Convert to fraction form
    682,749,039.26/942,196,643.01 = 369,483,280.74/x
  3. Step 3: Cross multiply
    682,749,039.26x = 942,196,643.01 × 369,483,280.74
  4. Step 4: Simplify right side
    682,749,039.26x = 348,125,906,761,549,376
  5. Step 5: Solve for x
    x = 348,125,906,761,549,376/682,749,039.26
  6. Step 6: Final answer
    x = 509,888,534.06

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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.