Home / 818,074,993,542.18-1,128,978,356,494.40-457,192,797,409.86

Finding the Fourth Proportional to 818,074,993,542.18, 1,128,978,356,494.40 and 457,192,797,409.86

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Solution

The fourth proportional to 818,074,993,542.18, 1,128,978,356,494.40 and 457,192,797,409.86 is: 630,945,545,451.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,074,993,542.18 : 1,128,978,356,494.40 = 457,192,797,409.86 : x
  2. Step 2: Convert to fraction form
    818,074,993,542.18/1,128,978,356,494.40 = 457,192,797,409.86/x
  3. Step 3: Cross multiply
    818,074,993,542.18x = 1,128,978,356,494.40 × 457,192,797,409.86
  4. Step 4: Simplify right side
    818,074,993,542.18x = 516,160,773,020,860,851,159,040
  5. Step 5: Solve for x
    x = 516,160,773,020,860,851,159,040/818,074,993,542.18
  6. Step 6: Final answer
    x = 630,945,545,451.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.