Home / 434,126,403-599,026,996.26-257,909,869.44

Finding the Fourth Proportional to 434,126,403, 599,026,996.26 and 257,909,869.44

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Solution

The fourth proportional to 434,126,403, 599,026,996.26 and 257,909,869.44 is: 355,875,554.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,126,403 : 599,026,996.26 = 257,909,869.44 : x
  2. Step 2: Convert to fraction form
    434,126,403/599,026,996.26 = 257,909,869.44/x
  3. Step 3: Cross multiply
    434,126,403x = 599,026,996.26 × 257,909,869.44
  4. Step 4: Simplify right side
    434,126,403x = 154,494,974,396,451,968
  5. Step 5: Solve for x
    x = 154,494,974,396,451,968/434,126,403
  6. Step 6: Final answer
    x = 355,875,554.51

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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.