Home / 673,775,128.60-1,010,662,692.90-310,978,072.60

Finding the Fourth Proportional to 673,775,128.60, 1,010,662,692.90 and 310,978,072.60

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Solution

The fourth proportional to 673,775,128.60, 1,010,662,692.90 and 310,978,072.60 is: 466,467,108.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,775,128.60 : 1,010,662,692.90 = 310,978,072.60 : x
  2. Step 2: Convert to fraction form
    673,775,128.60/1,010,662,692.90 = 310,978,072.60/x
  3. Step 3: Cross multiply
    673,775,128.60x = 1,010,662,692.90 × 310,978,072.60
  4. Step 4: Simplify right side
    673,775,128.60x = 314,293,936,286,767,744
  5. Step 5: Solve for x
    x = 314,293,936,286,767,744/673,775,128.60
  6. Step 6: Final answer
    x = 466,467,108.90

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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.