Home / 297,579,211.80-445,572,555.30-189,287,525.40

Finding the Fourth Proportional to 297,579,211.80, 445,572,555.30 and 189,287,525.40

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Solution

The fourth proportional to 297,579,211.80, 445,572,555.30 and 189,287,525.40 is: 283,424,792.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,579,211.80 : 445,572,555.30 = 189,287,525.40 : x
  2. Step 2: Convert to fraction form
    297,579,211.80/445,572,555.30 = 189,287,525.40/x
  3. Step 3: Cross multiply
    297,579,211.80x = 445,572,555.30 × 189,287,525.40
  4. Step 4: Simplify right side
    297,579,211.80x = 84,341,326,378,891,664
  5. Step 5: Solve for x
    x = 84,341,326,378,891,664/297,579,211.80
  6. Step 6: Final answer
    x = 283,424,792.57

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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.