Home / 682,749,038.30-942,196,641.72-369,483,279.80

Finding the Fourth Proportional to 682,749,038.30, 942,196,641.72 and 369,483,279.80

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Solution

The fourth proportional to 682,749,038.30, 942,196,641.72 and 369,483,279.80 is: 509,888,532.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,749,038.30 : 942,196,641.72 = 369,483,279.80 : x
  2. Step 2: Convert to fraction form
    682,749,038.30/942,196,641.72 = 369,483,279.80/x
  3. Step 3: Cross multiply
    682,749,038.30x = 942,196,641.72 × 369,483,279.80
  4. Step 4: Simplify right side
    682,749,038.30x = 348,125,905,400,221,056
  5. Step 5: Solve for x
    x = 348,125,905,400,221,056/682,749,038.30
  6. Step 6: Final answer
    x = 509,888,532.78

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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.