Home / 318,835,866.34-439,983,081.93-201,423,709.54

Finding the Fourth Proportional to 318,835,866.34, 439,983,081.93 and 201,423,709.54

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Solution

The fourth proportional to 318,835,866.34, 439,983,081.93 and 201,423,709.54 is: 277,958,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,835,866.34 : 439,983,081.93 = 201,423,709.54 : x
  2. Step 2: Convert to fraction form
    318,835,866.34/439,983,081.93 = 201,423,709.54/x
  3. Step 3: Cross multiply
    318,835,866.34x = 439,983,081.93 × 201,423,709.54
  4. Step 4: Simplify right side
    318,835,866.34x = 88,623,024,497,182,336
  5. Step 5: Solve for x
    x = 88,623,024,497,182,336/318,835,866.34
  6. Step 6: Final answer
    x = 277,958,140.39

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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.