Home / 918,154,072.80-1,377,231,109.20-882,441,237.60

Finding the Fourth Proportional to 918,154,072.80, 1,377,231,109.20 and 882,441,237.60

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Solution

The fourth proportional to 918,154,072.80, 1,377,231,109.20 and 882,441,237.60 is: 1,323,661,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,154,072.80 : 1,377,231,109.20 = 882,441,237.60 : x
  2. Step 2: Convert to fraction form
    918,154,072.80/1,377,231,109.20 = 882,441,237.60/x
  3. Step 3: Cross multiply
    918,154,072.80x = 1,377,231,109.20 × 882,441,237.60
  4. Step 4: Simplify right side
    918,154,072.80x = 1,215,325,524,463,668,736
  5. Step 5: Solve for x
    x = 1,215,325,524,463,668,736/918,154,072.80
  6. Step 6: Final answer
    x = 1,323,661,856.40

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1.5x scale

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.