Home / 545,751,012.40-818,626,518.60-503,660,885.20

Finding the Fourth Proportional to 545,751,012.40, 818,626,518.60 and 503,660,885.20

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Solution

The fourth proportional to 545,751,012.40, 818,626,518.60 and 503,660,885.20 is: 755,491,327.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,751,012.40 : 818,626,518.60 = 503,660,885.20 : x
  2. Step 2: Convert to fraction form
    545,751,012.40/818,626,518.60 = 503,660,885.20/x
  3. Step 3: Cross multiply
    545,751,012.40x = 818,626,518.60 × 503,660,885.20
  4. Step 4: Simplify right side
    545,751,012.40x = 412,310,157,006,270,272
  5. Step 5: Solve for x
    x = 412,310,157,006,270,272/545,751,012.40
  6. Step 6: Final answer
    x = 755,491,327.80

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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.