Home / 376,485,205.48-519,562,200.49-209,228,516.24

Finding the Fourth Proportional to 376,485,205.48, 519,562,200.49 and 209,228,516.24

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Solution

The fourth proportional to 376,485,205.48, 519,562,200.49 and 209,228,516.24 is: 288,742,364.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,485,205.48 : 519,562,200.49 = 209,228,516.24 : x
  2. Step 2: Convert to fraction form
    376,485,205.48/519,562,200.49 = 209,228,516.24/x
  3. Step 3: Cross multiply
    376,485,205.48x = 519,562,200.49 × 209,228,516.24
  4. Step 4: Simplify right side
    376,485,205.48x = 108,707,228,299,791,232
  5. Step 5: Solve for x
    x = 108,707,228,299,791,232/376,485,205.48
  6. Step 6: Final answer
    x = 288,742,364.16

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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.