Home / 508,354,845.93-762,184,154.43-258,877,185.35

Finding the Fourth Proportional to 508,354,845.93, 762,184,154.43 and 258,877,185.35

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Solution

The fourth proportional to 508,354,845.93, 762,184,154.43 and 258,877,185.35 is: 388,138,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,354,845.93 : 762,184,154.43 = 258,877,185.35 : x
  2. Step 2: Convert to fraction form
    508,354,845.93/762,184,154.43 = 258,877,185.35/x
  3. Step 3: Cross multiply
    508,354,845.93x = 762,184,154.43 × 258,877,185.35
  4. Step 4: Simplify right side
    508,354,845.93x = 197,312,088,613,397,184
  5. Step 5: Solve for x
    x = 197,312,088,613,397,184/508,354,845.93
  6. Step 6: Final answer
    x = 388,138,502.45

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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.