Home / 1,288,921,422,148.40-1,933,052,359,465.70-382,147,194,655.09

Finding the Fourth Proportional to 1,288,921,422,148.40, 1,933,052,359,465.70 and 382,147,194,655.09

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Solution

The fourth proportional to 1,288,921,422,148.40, 1,933,052,359,465.70 and 382,147,194,655.09 is: 573,123,018,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,921,422,148.40 : 1,933,052,359,465.70 = 382,147,194,655.09 : x
  2. Step 2: Convert to fraction form
    1,288,921,422,148.40/1,933,052,359,465.70 = 382,147,194,655.09/x
  3. Step 3: Cross multiply
    1,288,921,422,148.40x = 1,933,052,359,465.70 × 382,147,194,655.09
  4. Step 4: Simplify right side
    1,288,921,422,148.40x = 738,710,536,291,219,851,444,224
  5. Step 5: Solve for x
    x = 738,710,536,291,219,851,444,224/1,288,921,422,148.40
  6. Step 6: Final answer
    x = 573,123,018,670.85

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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.