Home / 429,735,722.04-644,602,777.46-134,653,433.24

Finding the Fourth Proportional to 429,735,722.04, 644,602,777.46 and 134,653,433.24

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Solution

The fourth proportional to 429,735,722.04, 644,602,777.46 and 134,653,433.24 is: 201,979,897.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,735,722.04 : 644,602,777.46 = 134,653,433.24 : x
  2. Step 2: Convert to fraction form
    429,735,722.04/644,602,777.46 = 134,653,433.24/x
  3. Step 3: Cross multiply
    429,735,722.04x = 644,602,777.46 × 134,653,433.24
  4. Step 4: Simplify right side
    429,735,722.04x = 86,797,977,061,028,704
  5. Step 5: Solve for x
    x = 86,797,977,061,028,704/429,735,722.04
  6. Step 6: Final answer
    x = 201,979,897.43

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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.