Home / 450,285,294.15-621,400,052.04-259,440,837.57

Finding the Fourth Proportional to 450,285,294.15, 621,400,052.04 and 259,440,837.57

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Solution

The fourth proportional to 450,285,294.15, 621,400,052.04 and 259,440,837.57 is: 358,032,012.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,285,294.15 : 621,400,052.04 = 259,440,837.57 : x
  2. Step 2: Convert to fraction form
    450,285,294.15/621,400,052.04 = 259,440,837.57/x
  3. Step 3: Cross multiply
    450,285,294.15x = 621,400,052.04 × 259,440,837.57
  4. Step 4: Simplify right side
    450,285,294.15x = 161,216,549,967,299,168
  5. Step 5: Solve for x
    x = 161,216,549,967,299,168/450,285,294.15
  6. Step 6: Final answer
    x = 358,032,012.29

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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.