Home / 459,663,391.70-689,495,087.55-402,267,763.70

Finding the Fourth Proportional to 459,663,391.70, 689,495,087.55 and 402,267,763.70

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Solution

The fourth proportional to 459,663,391.70, 689,495,087.55 and 402,267,763.70 is: 603,401,645.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,663,391.70 : 689,495,087.55 = 402,267,763.70 : x
  2. Step 2: Convert to fraction form
    459,663,391.70/689,495,087.55 = 402,267,763.70/x
  3. Step 3: Cross multiply
    459,663,391.70x = 689,495,087.55 × 402,267,763.70
  4. Step 4: Simplify right side
    459,663,391.70x = 277,361,646,950,874,176
  5. Step 5: Solve for x
    x = 277,361,646,950,874,176/459,663,391.70
  6. Step 6: Final answer
    x = 603,401,645.55

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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.