Home / 538,510,220.60-807,765,330.90-446,677,215.80

Finding the Fourth Proportional to 538,510,220.60, 807,765,330.90 and 446,677,215.80

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Solution

The fourth proportional to 538,510,220.60, 807,765,330.90 and 446,677,215.80 is: 670,015,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,510,220.60 : 807,765,330.90 = 446,677,215.80 : x
  2. Step 2: Convert to fraction form
    538,510,220.60/807,765,330.90 = 446,677,215.80/x
  3. Step 3: Cross multiply
    538,510,220.60x = 807,765,330.90 × 446,677,215.80
  4. Step 4: Simplify right side
    538,510,220.60x = 360,810,369,026,177,728
  5. Step 5: Solve for x
    x = 360,810,369,026,177,728/538,510,220.60
  6. Step 6: Final answer
    x = 670,015,823.70

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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.