Home / 448,403,342.40-672,605,013.60-206,066,246.40

Finding the Fourth Proportional to 448,403,342.40, 672,605,013.60 and 206,066,246.40

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Solution

The fourth proportional to 448,403,342.40, 672,605,013.60 and 206,066,246.40 is: 309,099,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,403,342.40 : 672,605,013.60 = 206,066,246.40 : x
  2. Step 2: Convert to fraction form
    448,403,342.40/672,605,013.60 = 206,066,246.40/x
  3. Step 3: Cross multiply
    448,403,342.40x = 672,605,013.60 × 206,066,246.40
  4. Step 4: Simplify right side
    448,403,342.40x = 138,601,190,462,372,960
  5. Step 5: Solve for x
    x = 138,601,190,462,372,960/448,403,342.40
  6. Step 6: Final answer
    x = 309,099,369.60

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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.