Home / 450,285,940.95-621,400,943.55-259,441,483.86

Finding the Fourth Proportional to 450,285,940.95, 621,400,943.55 and 259,441,483.86

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Solution

The fourth proportional to 450,285,940.95, 621,400,943.55 and 259,441,483.86 is: 358,032,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,285,940.95 : 621,400,943.55 = 259,441,483.86 : x
  2. Step 2: Convert to fraction form
    450,285,940.95/621,400,943.55 = 259,441,483.86/x
  3. Step 3: Cross multiply
    450,285,940.95x = 621,400,943.55 × 259,441,483.86
  4. Step 4: Simplify right side
    450,285,940.95x = 161,217,182,866,616,096
  5. Step 5: Solve for x
    x = 161,217,182,866,616,096/450,285,940.95
  6. Step 6: Final answer
    x = 358,032,903.55

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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.