Home / 519,584,048.54-717,020,272.68-281,423,307.88

Finding the Fourth Proportional to 519,584,048.54, 717,020,272.68 and 281,423,307.88

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Solution

The fourth proportional to 519,584,048.54, 717,020,272.68 and 281,423,307.88 is: 388,361,069.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,584,048.54 : 717,020,272.68 = 281,423,307.88 : x
  2. Step 2: Convert to fraction form
    519,584,048.54/717,020,272.68 = 281,423,307.88/x
  3. Step 3: Cross multiply
    519,584,048.54x = 717,020,272.68 × 281,423,307.88
  4. Step 4: Simplify right side
    519,584,048.54x = 201,786,216,956,042,112
  5. Step 5: Solve for x
    x = 201,786,216,956,042,112/519,584,048.54
  6. Step 6: Final answer
    x = 388,361,069.83

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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.