Home / 327,245,000,513.32-451,909,993,178.82-309,416,897,973.16

Finding the Fourth Proportional to 327,245,000,513.32, 451,909,993,178.82 and 309,416,897,973.16

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Solution

The fourth proportional to 327,245,000,513.32, 451,909,993,178.82 and 309,416,897,973.16 is: 427,290,219,967.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,245,000,513.32 : 451,909,993,178.82 = 309,416,897,973.16 : x
  2. Step 2: Convert to fraction form
    327,245,000,513.32/451,909,993,178.82 = 309,416,897,973.16/x
  3. Step 3: Cross multiply
    327,245,000,513.32x = 451,909,993,178.82 × 309,416,897,973.16
  4. Step 4: Simplify right side
    327,245,000,513.32x = 139,828,588,252,462,367,899,648
  5. Step 5: Solve for x
    x = 139,828,588,252,462,367,899,648/327,245,000,513.32
  6. Step 6: Final answer
    x = 427,290,219,967.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.