Home / 445,420,371.60-668,130,557.40-300,301,549.20

Finding the Fourth Proportional to 445,420,371.60, 668,130,557.40 and 300,301,549.20

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Solution

The fourth proportional to 445,420,371.60, 668,130,557.40 and 300,301,549.20 is: 450,452,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,420,371.60 : 668,130,557.40 = 300,301,549.20 : x
  2. Step 2: Convert to fraction form
    445,420,371.60/668,130,557.40 = 300,301,549.20/x
  3. Step 3: Cross multiply
    445,420,371.60x = 668,130,557.40 × 300,301,549.20
  4. Step 4: Simplify right side
    445,420,371.60x = 200,640,641,455,079,520
  5. Step 5: Solve for x
    x = 200,640,641,455,079,520/445,420,371.60
  6. Step 6: Final answer
    x = 450,452,323.80

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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.