Home / 84,270,388,505.76-126,317,097,438-28,353,463,201.76

Finding the Fourth Proportional to 84,270,388,505.76, 126,317,097,438 and 28,353,463,201.76

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Solution

The fourth proportional to 84,270,388,505.76, 126,317,097,438 and 28,353,463,201.76 is: 42,500,423,190.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,270,388,505.76 : 126,317,097,438 = 28,353,463,201.76 : x
  2. Step 2: Convert to fraction form
    84,270,388,505.76/126,317,097,438 = 28,353,463,201.76/x
  3. Step 3: Cross multiply
    84,270,388,505.76x = 126,317,097,438 × 28,353,463,201.76
  4. Step 4: Simplify right side
    84,270,388,505.76x = 3,581,527,173,961,464,938,496
  5. Step 5: Solve for x
    x = 3,581,527,173,961,464,938,496/84,270,388,505.76
  6. Step 6: Final answer
    x = 42,500,423,190.96

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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.