Home / 1,452,169,616.80-2,178,254,425.20-361,652,684.80

Finding the Fourth Proportional to 1,452,169,616.80, 2,178,254,425.20 and 361,652,684.80

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Solution

The fourth proportional to 1,452,169,616.80, 2,178,254,425.20 and 361,652,684.80 is: 542,479,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,169,616.80 : 2,178,254,425.20 = 361,652,684.80 : x
  2. Step 2: Convert to fraction form
    1,452,169,616.80/2,178,254,425.20 = 361,652,684.80/x
  3. Step 3: Cross multiply
    1,452,169,616.80x = 2,178,254,425.20 × 361,652,684.80
  4. Step 4: Simplify right side
    1,452,169,616.80x = 787,771,561,051,060,736
  5. Step 5: Solve for x
    x = 787,771,561,051,060,736/1,452,169,616.80
  6. Step 6: Final answer
    x = 542,479,027.20

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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.