Home / 257,721,690.60-386,157,383.10-219,457,938.60

Finding the Fourth Proportional to 257,721,690.60, 386,157,383.10 and 219,457,938.60

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Solution

The fourth proportional to 257,721,690.60, 386,157,383.10 and 219,457,938.60 is: 328,824,877.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,721,690.60 : 386,157,383.10 = 219,457,938.60 : x
  2. Step 2: Convert to fraction form
    257,721,690.60/386,157,383.10 = 219,457,938.60/x
  3. Step 3: Cross multiply
    257,721,690.60x = 386,157,383.10 × 219,457,938.60
  4. Step 4: Simplify right side
    257,721,690.60x = 84,745,303,270,296,480
  5. Step 5: Solve for x
    x = 84,745,303,270,296,480/257,721,690.60
  6. Step 6: Final answer
    x = 328,824,877.23

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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.