Home / 648,568,579.60-973,823,634.88-561,400,445.76

Finding the Fourth Proportional to 648,568,579.60, 973,823,634.88 and 561,400,445.76

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Solution

The fourth proportional to 648,568,579.60, 973,823,634.88 and 561,400,445.76 is: 842,940,962.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,568,579.60 : 973,823,634.88 = 561,400,445.76 : x
  2. Step 2: Convert to fraction form
    648,568,579.60/973,823,634.88 = 561,400,445.76/x
  3. Step 3: Cross multiply
    648,568,579.60x = 973,823,634.88 × 561,400,445.76
  4. Step 4: Simplify right side
    648,568,579.60x = 546,705,022,713,255,488
  5. Step 5: Solve for x
    x = 546,705,022,713,255,488/648,568,579.60
  6. Step 6: Final answer
    x = 842,940,962.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.