Home / 450,190,711.44-621,328,429.02-259,414,613.27

Finding the Fourth Proportional to 450,190,711.44, 621,328,429.02 and 259,414,613.27

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Solution

The fourth proportional to 450,190,711.44, 621,328,429.02 and 259,414,613.27 is: 358,029,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,190,711.44 : 621,328,429.02 = 259,414,613.27 : x
  2. Step 2: Convert to fraction form
    450,190,711.44/621,328,429.02 = 259,414,613.27/x
  3. Step 3: Cross multiply
    450,190,711.44x = 621,328,429.02 × 259,414,613.27
  4. Step 4: Simplify right side
    450,190,711.44x = 161,181,674,124,773,280
  5. Step 5: Solve for x
    x = 161,181,674,124,773,280/450,190,711.44
  6. Step 6: Final answer
    x = 358,029,763.90

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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.