Home / 561,923,196,825.34-775,433,947,789.92-318,047,429,602.42

Finding the Fourth Proportional to 561,923,196,825.34, 775,433,947,789.92 and 318,047,429,602.42

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Solution

The fourth proportional to 561,923,196,825.34, 775,433,947,789.92 and 318,047,429,602.42 is: 438,894,096,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,923,196,825.34 : 775,433,947,789.92 = 318,047,429,602.42 : x
  2. Step 2: Convert to fraction form
    561,923,196,825.34/775,433,947,789.92 = 318,047,429,602.42/x
  3. Step 3: Cross multiply
    561,923,196,825.34x = 775,433,947,789.92 × 318,047,429,602.42
  4. Step 4: Simplify right side
    561,923,196,825.34x = 246,624,773,921,041,192,845,312
  5. Step 5: Solve for x
    x = 246,624,773,921,041,192,845,312/561,923,196,825.34
  6. Step 6: Final answer
    x = 438,894,096,763.37

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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.