Home / 738,320,869.30-1,107,397,323.15-193,117,515.70

Finding the Fourth Proportional to 738,320,869.30, 1,107,397,323.15 and 193,117,515.70

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Solution

The fourth proportional to 738,320,869.30, 1,107,397,323.15 and 193,117,515.70 is: 289,654,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,320,869.30 : 1,107,397,323.15 = 193,117,515.70 : x
  2. Step 2: Convert to fraction form
    738,320,869.30/1,107,397,323.15 = 193,117,515.70/x
  3. Step 3: Cross multiply
    738,320,869.30x = 1,107,397,323.15 × 193,117,515.70
  4. Step 4: Simplify right side
    738,320,869.30x = 213,857,819,939,558,112
  5. Step 5: Solve for x
    x = 213,857,819,939,558,112/738,320,869.30
  6. Step 6: Final answer
    x = 289,654,307.27

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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.