Home / 1,116,320,869.76-1,674,353,537.40-298,496,943.68

Finding the Fourth Proportional to 1,116,320,869.76, 1,674,353,537.40 and 298,496,943.68

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Solution

The fourth proportional to 1,116,320,869.76, 1,674,353,537.40 and 298,496,943.68 is: 447,711,251.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,320,869.76 : 1,674,353,537.40 = 298,496,943.68 : x
  2. Step 2: Convert to fraction form
    1,116,320,869.76/1,674,353,537.40 = 298,496,943.68/x
  3. Step 3: Cross multiply
    1,116,320,869.76x = 1,674,353,537.40 × 298,496,943.68
  4. Step 4: Simplify right side
    1,116,320,869.76x = 499,789,413,553,696,640
  5. Step 5: Solve for x
    x = 499,789,413,553,696,640/1,116,320,869.76
  6. Step 6: Final answer
    x = 447,711,251.39

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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.