Home / 545,756,799.60-818,635,199.40-300,018,481.20

Finding the Fourth Proportional to 545,756,799.60, 818,635,199.40 and 300,018,481.20

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Solution

The fourth proportional to 545,756,799.60, 818,635,199.40 and 300,018,481.20 is: 450,027,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,756,799.60 : 818,635,199.40 = 300,018,481.20 : x
  2. Step 2: Convert to fraction form
    545,756,799.60/818,635,199.40 = 300,018,481.20/x
  3. Step 3: Cross multiply
    545,756,799.60x = 818,635,199.40 × 300,018,481.20
  4. Step 4: Simplify right side
    545,756,799.60x = 245,605,689,180,847,136
  5. Step 5: Solve for x
    x = 245,605,689,180,847,136/545,756,799.60
  6. Step 6: Final answer
    x = 450,027,721.80

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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.