Home / 648,568,581.60-973,823,637.88-561,400,447.76

Finding the Fourth Proportional to 648,568,581.60, 973,823,637.88 and 561,400,447.76

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Solution

The fourth proportional to 648,568,581.60, 973,823,637.88 and 561,400,447.76 is: 842,940,965.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,568,581.60 : 973,823,637.88 = 561,400,447.76 : x
  2. Step 2: Convert to fraction form
    648,568,581.60/973,823,637.88 = 561,400,447.76/x
  3. Step 3: Cross multiply
    648,568,581.60x = 973,823,637.88 × 561,400,447.76
  4. Step 4: Simplify right side
    648,568,581.60x = 546,705,026,345,104,064
  5. Step 5: Solve for x
    x = 546,705,026,345,104,064/648,568,581.60
  6. Step 6: Final answer
    x = 842,940,965.47

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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.