Home / 682,749,037.93-942,196,641.20-369,483,279.43

Finding the Fourth Proportional to 682,749,037.93, 942,196,641.20 and 369,483,279.43

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Solution

The fourth proportional to 682,749,037.93, 942,196,641.20 and 369,483,279.43 is: 509,888,532.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,749,037.93 : 942,196,641.20 = 369,483,279.43 : x
  2. Step 2: Convert to fraction form
    682,749,037.93/942,196,641.20 = 369,483,279.43/x
  3. Step 3: Cross multiply
    682,749,037.93x = 942,196,641.20 × 369,483,279.43
  4. Step 4: Simplify right side
    682,749,037.93x = 348,125,904,855,689,728
  5. Step 5: Solve for x
    x = 348,125,904,855,689,728/682,749,037.93
  6. Step 6: Final answer
    x = 509,888,532.27

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1.5x scale

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.