Home / 389,495,356.96-583,734,328.24-297,040,566.24

Finding the Fourth Proportional to 389,495,356.96, 583,734,328.24 and 297,040,566.24

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Solution

The fourth proportional to 389,495,356.96, 583,734,328.24 and 297,040,566.24 is: 445,172,894.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,495,356.96 : 583,734,328.24 = 297,040,566.24 : x
  2. Step 2: Convert to fraction form
    389,495,356.96/583,734,328.24 = 297,040,566.24/x
  3. Step 3: Cross multiply
    389,495,356.96x = 583,734,328.24 × 297,040,566.24
  4. Step 4: Simplify right side
    389,495,356.96x = 173,392,775,394,135,616
  5. Step 5: Solve for x
    x = 173,392,775,394,135,616/389,495,356.96
  6. Step 6: Final answer
    x = 445,172,894.35

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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.