Home / 733,475,938.03-1,012,204,096.88-398,956,242.51

Finding the Fourth Proportional to 733,475,938.03, 1,012,204,096.88 and 398,956,242.51

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Solution

The fourth proportional to 733,475,938.03, 1,012,204,096.88 and 398,956,242.51 is: 550,563,586.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,475,938.03 : 1,012,204,096.88 = 398,956,242.51 : x
  2. Step 2: Convert to fraction form
    733,475,938.03/1,012,204,096.88 = 398,956,242.51/x
  3. Step 3: Cross multiply
    733,475,938.03x = 1,012,204,096.88 × 398,956,242.51
  4. Step 4: Simplify right side
    733,475,938.03x = 403,825,143,142,478,016
  5. Step 5: Solve for x
    x = 403,825,143,142,478,016/733,475,938.03
  6. Step 6: Final answer
    x = 550,563,586.62

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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.