Home / 541,516,374.82-747,993,585.95-447,809,031.64

Finding the Fourth Proportional to 541,516,374.82, 747,993,585.95 and 447,809,031.64

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Solution

The fourth proportional to 541,516,374.82, 747,993,585.95 and 447,809,031.64 is: 618,556,148.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,516,374.82 : 747,993,585.95 = 447,809,031.64 : x
  2. Step 2: Convert to fraction form
    541,516,374.82/747,993,585.95 = 447,809,031.64/x
  3. Step 3: Cross multiply
    541,516,374.82x = 747,993,585.95 × 447,809,031.64
  4. Step 4: Simplify right side
    541,516,374.82x = 334,958,283,397,200,640
  5. Step 5: Solve for x
    x = 334,958,283,397,200,640/541,516,374.82
  6. Step 6: Final answer
    x = 618,556,148.94

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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.