Home / 936,611,485.40-1,404,372,667.12-354,390,633.65

Finding the Fourth Proportional to 936,611,485.40, 1,404,372,667.12 and 354,390,633.65

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Solution

The fourth proportional to 936,611,485.40, 1,404,372,667.12 and 354,390,633.65 is: 531,379,902.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,611,485.40 : 1,404,372,667.12 = 354,390,633.65 : x
  2. Step 2: Convert to fraction form
    936,611,485.40/1,404,372,667.12 = 354,390,633.65/x
  3. Step 3: Cross multiply
    936,611,485.40x = 1,404,372,667.12 × 354,390,633.65
  4. Step 4: Simplify right side
    936,611,485.40x = 497,696,519,379,625,344
  5. Step 5: Solve for x
    x = 497,696,519,379,625,344/936,611,485.40
  6. Step 6: Final answer
    x = 531,379,902.06

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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.