Home / 682,749,259.08-942,196,944.49-369,483,499.37

Finding the Fourth Proportional to 682,749,259.08, 942,196,944.49 and 369,483,499.37

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Solution

The fourth proportional to 682,749,259.08, 942,196,944.49 and 369,483,499.37 is: 509,888,834.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,749,259.08 : 942,196,944.49 = 369,483,499.37 : x
  2. Step 2: Convert to fraction form
    682,749,259.08/942,196,944.49 = 369,483,499.37/x
  3. Step 3: Cross multiply
    682,749,259.08x = 942,196,944.49 × 369,483,499.37
  4. Step 4: Simplify right side
    682,749,259.08x = 348,126,224,140,252,160
  5. Step 5: Solve for x
    x = 348,126,224,140,252,160/682,749,259.08
  6. Step 6: Final answer
    x = 509,888,834.75

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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.