Home / 320,530,367,904.52-480,811,015,094.52-105,394,147,281.13

Finding the Fourth Proportional to 320,530,367,904.52, 480,811,015,094.52 and 105,394,147,281.13

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Solution

The fourth proportional to 320,530,367,904.52, 480,811,015,094.52 and 105,394,147,281.13 is: 158,096,305,415.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,530,367,904.52 : 480,811,015,094.52 = 105,394,147,281.13 : x
  2. Step 2: Convert to fraction form
    320,530,367,904.52/480,811,015,094.52 = 105,394,147,281.13/x
  3. Step 3: Cross multiply
    320,530,367,904.52x = 480,811,015,094.52 × 105,394,147,281.13
  4. Step 4: Simplify right side
    320,530,367,904.52x = 50,674,666,939,261,466,443,776
  5. Step 5: Solve for x
    x = 50,674,666,939,261,466,443,776/320,530,367,904.52
  6. Step 6: Final answer
    x = 158,096,305,415.77

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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.