Home / 479,696,514.60-661,983,302.79-259,679,940.60

Finding the Fourth Proportional to 479,696,514.60, 661,983,302.79 and 259,679,940.60

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Solution

The fourth proportional to 479,696,514.60, 661,983,302.79 and 259,679,940.60 is: 358,359,461.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,696,514.60 : 661,983,302.79 = 259,679,940.60 : x
  2. Step 2: Convert to fraction form
    479,696,514.60/661,983,302.79 = 259,679,940.60/x
  3. Step 3: Cross multiply
    479,696,514.60x = 661,983,302.79 × 259,679,940.60
  4. Step 4: Simplify right side
    479,696,514.60x = 171,903,784,746,699,008
  5. Step 5: Solve for x
    x = 171,903,784,746,699,008/479,696,514.60
  6. Step 6: Final answer
    x = 358,359,461.69

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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.