Home / 495,618,636.96-683,874,573.84-275,603,663.52

Finding the Fourth Proportional to 495,618,636.96, 683,874,573.84 and 275,603,663.52

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Solution

The fourth proportional to 495,618,636.96, 683,874,573.84 and 275,603,663.52 is: 380,289,044.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,618,636.96 : 683,874,573.84 = 275,603,663.52 : x
  2. Step 2: Convert to fraction form
    495,618,636.96/683,874,573.84 = 275,603,663.52/x
  3. Step 3: Cross multiply
    495,618,636.96x = 683,874,573.84 × 275,603,663.52
  4. Step 4: Simplify right side
    495,618,636.96x = 188,478,337,938,482,752
  5. Step 5: Solve for x
    x = 188,478,337,938,482,752/495,618,636.96
  6. Step 6: Final answer
    x = 380,289,044.61

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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.