Home / 464,887,669.42-641,574,105.60-256,043,764

Finding the Fourth Proportional to 464,887,669.42, 641,574,105.60 and 256,043,764

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Solution

The fourth proportional to 464,887,669.42, 641,574,105.60 and 256,043,764 is: 353,356,433.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,887,669.42 : 641,574,105.60 = 256,043,764 : x
  2. Step 2: Convert to fraction form
    464,887,669.42/641,574,105.60 = 256,043,764/x
  3. Step 3: Cross multiply
    464,887,669.42x = 641,574,105.60 × 256,043,764
  4. Step 4: Simplify right side
    464,887,669.42x = 164,271,048,882,757,472
  5. Step 5: Solve for x
    x = 164,271,048,882,757,472/464,887,669.42
  6. Step 6: Final answer
    x = 353,356,433.58

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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.