Home / 545,751,007.40-818,626,511.10-503,660,880.20

Finding the Fourth Proportional to 545,751,007.40, 818,626,511.10 and 503,660,880.20

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Solution

The fourth proportional to 545,751,007.40, 818,626,511.10 and 503,660,880.20 is: 755,491,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,751,007.40 : 818,626,511.10 = 503,660,880.20 : x
  2. Step 2: Convert to fraction form
    545,751,007.40/818,626,511.10 = 503,660,880.20/x
  3. Step 3: Cross multiply
    545,751,007.40x = 818,626,511.10 × 503,660,880.20
  4. Step 4: Simplify right side
    545,751,007.40x = 412,310,149,135,681,088
  5. Step 5: Solve for x
    x = 412,310,149,135,681,088/545,751,007.40
  6. Step 6: Final answer
    x = 755,491,320.30

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1.5x scale

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.