Home / 404,574,690.72-558,176,401.44-263,381,620.80

Finding the Fourth Proportional to 404,574,690.72, 558,176,401.44 and 263,381,620.80

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Solution

The fourth proportional to 404,574,690.72, 558,176,401.44 and 263,381,620.80 is: 363,377,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,574,690.72 : 558,176,401.44 = 263,381,620.80 : x
  2. Step 2: Convert to fraction form
    404,574,690.72/558,176,401.44 = 263,381,620.80/x
  3. Step 3: Cross multiply
    404,574,690.72x = 558,176,401.44 × 263,381,620.80
  4. Step 4: Simplify right side
    404,574,690.72x = 147,013,405,303,578,688
  5. Step 5: Solve for x
    x = 147,013,405,303,578,688/404,574,690.72
  6. Step 6: Final answer
    x = 363,377,662.21

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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.