Home / 496,292,021.40-744,438,032.10-418,807,923.60

Finding the Fourth Proportional to 496,292,021.40, 744,438,032.10 and 418,807,923.60

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Solution

The fourth proportional to 496,292,021.40, 744,438,032.10 and 418,807,923.60 is: 628,211,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,292,021.40 : 744,438,032.10 = 418,807,923.60 : x
  2. Step 2: Convert to fraction form
    496,292,021.40/744,438,032.10 = 418,807,923.60/x
  3. Step 3: Cross multiply
    496,292,021.40x = 744,438,032.10 × 418,807,923.60
  4. Step 4: Simplify right side
    496,292,021.40x = 311,776,546,472,671,168
  5. Step 5: Solve for x
    x = 311,776,546,472,671,168/496,292,021.40
  6. Step 6: Final answer
    x = 628,211,885.40

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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.