Home / 346,770,954.63-478,613,438.55-205,720,467.12

Finding the Fourth Proportional to 346,770,954.63, 478,613,438.55 and 205,720,467.12

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Solution

The fourth proportional to 346,770,954.63, 478,613,438.55 and 205,720,467.12 is: 283,935,487.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,770,954.63 : 478,613,438.55 = 205,720,467.12 : x
  2. Step 2: Convert to fraction form
    346,770,954.63/478,613,438.55 = 205,720,467.12/x
  3. Step 3: Cross multiply
    346,770,954.63x = 478,613,438.55 × 205,720,467.12
  4. Step 4: Simplify right side
    346,770,954.63x = 98,460,580,148,415,424
  5. Step 5: Solve for x
    x = 98,460,580,148,415,424/346,770,954.63
  6. Step 6: Final answer
    x = 283,935,487.77

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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.