Home / 353,986,690.88-488,499,888.48-205,337,875.52

Finding the Fourth Proportional to 353,986,690.88, 488,499,888.48 and 205,337,875.52

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Solution

The fourth proportional to 353,986,690.88, 488,499,888.48 and 205,337,875.52 is: 283,365,256.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,986,690.88 : 488,499,888.48 = 205,337,875.52 : x
  2. Step 2: Convert to fraction form
    353,986,690.88/488,499,888.48 = 205,337,875.52/x
  3. Step 3: Cross multiply
    353,986,690.88x = 488,499,888.48 × 205,337,875.52
  4. Step 4: Simplify right side
    353,986,690.88x = 100,307,529,292,240,128
  5. Step 5: Solve for x
    x = 100,307,529,292,240,128/353,986,690.88
  6. Step 6: Final answer
    x = 283,365,256.03

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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.