Home / 443,824,809.13-612,329,899.08-258,146,409.61

Finding the Fourth Proportional to 443,824,809.13, 612,329,899.08 and 258,146,409.61

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Solution

The fourth proportional to 443,824,809.13, 612,329,899.08 and 258,146,409.61 is: 356,155,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,824,809.13 : 612,329,899.08 = 258,146,409.61 : x
  2. Step 2: Convert to fraction form
    443,824,809.13/612,329,899.08 = 258,146,409.61/x
  3. Step 3: Cross multiply
    443,824,809.13x = 612,329,899.08 × 258,146,409.61
  4. Step 4: Simplify right side
    443,824,809.13x = 158,070,764,944,355,648
  5. Step 5: Solve for x
    x = 158,070,764,944,355,648/443,824,809.13
  6. Step 6: Final answer
    x = 356,155,766.18

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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.