Home / 375,556,378.20-562,578,740.10-260,670,643.80

Finding the Fourth Proportional to 375,556,378.20, 562,578,740.10 and 260,670,643.80

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Solution

The fourth proportional to 375,556,378.20, 562,578,740.10 and 260,670,643.80 is: 390,481,352.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,556,378.20 : 562,578,740.10 = 260,670,643.80 : x
  2. Step 2: Convert to fraction form
    375,556,378.20/562,578,740.10 = 260,670,643.80/x
  3. Step 3: Cross multiply
    375,556,378.20x = 562,578,740.10 × 260,670,643.80
  4. Step 4: Simplify right side
    375,556,378.20x = 146,647,762,370,059,904
  5. Step 5: Solve for x
    x = 146,647,762,370,059,904/375,556,378.20
  6. Step 6: Final answer
    x = 390,481,352.16

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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.