Home / 727,997,924.40-1,091,996,886.60-291,365,998.80

Finding the Fourth Proportional to 727,997,924.40, 1,091,996,886.60 and 291,365,998.80

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Solution

The fourth proportional to 727,997,924.40, 1,091,996,886.60 and 291,365,998.80 is: 437,048,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,997,924.40 : 1,091,996,886.60 = 291,365,998.80 : x
  2. Step 2: Convert to fraction form
    727,997,924.40/1,091,996,886.60 = 291,365,998.80/x
  3. Step 3: Cross multiply
    727,997,924.40x = 1,091,996,886.60 × 291,365,998.80
  4. Step 4: Simplify right side
    727,997,924.40x = 318,170,763,550,699,328
  5. Step 5: Solve for x
    x = 318,170,763,550,699,328/727,997,924.40
  6. Step 6: Final answer
    x = 437,048,998.20

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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.