Home / 746,385,308.52-1,030,033,581.20-407,315,632.42

Finding the Fourth Proportional to 746,385,308.52, 1,030,033,581.20 and 407,315,632.42

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Solution

The fourth proportional to 746,385,308.52, 1,030,033,581.20 and 407,315,632.42 is: 562,107,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,385,308.52 : 1,030,033,581.20 = 407,315,632.42 : x
  2. Step 2: Convert to fraction form
    746,385,308.52/1,030,033,581.20 = 407,315,632.42/x
  3. Step 3: Cross multiply
    746,385,308.52x = 1,030,033,581.20 × 407,315,632.42
  4. Step 4: Simplify right side
    746,385,308.52x = 419,548,779,540,315,456
  5. Step 5: Solve for x
    x = 419,548,779,540,315,456/746,385,308.52
  6. Step 6: Final answer
    x = 562,107,499.64

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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.