Home / 376,485,293.90-519,562,322.51-209,228,604.63

Finding the Fourth Proportional to 376,485,293.90, 519,562,322.51 and 209,228,604.63

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Solution

The fourth proportional to 376,485,293.90, 519,562,322.51 and 209,228,604.63 is: 288,742,486.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,485,293.90 : 519,562,322.51 = 209,228,604.63 : x
  2. Step 2: Convert to fraction form
    376,485,293.90/519,562,322.51 = 209,228,604.63/x
  3. Step 3: Cross multiply
    376,485,293.90x = 519,562,322.51 × 209,228,604.63
  4. Step 4: Simplify right side
    376,485,293.90x = 108,707,299,756,043,200
  5. Step 5: Solve for x
    x = 108,707,299,756,043,200/376,485,293.90
  6. Step 6: Final answer
    x = 288,742,486.14

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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.