Home / 427,883,487.60-641,825,231.40-104,767,359.60

Finding the Fourth Proportional to 427,883,487.60, 641,825,231.40 and 104,767,359.60

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Solution

The fourth proportional to 427,883,487.60, 641,825,231.40 and 104,767,359.60 is: 157,151,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,883,487.60 : 641,825,231.40 = 104,767,359.60 : x
  2. Step 2: Convert to fraction form
    427,883,487.60/641,825,231.40 = 104,767,359.60/x
  3. Step 3: Cross multiply
    427,883,487.60x = 641,825,231.40 × 104,767,359.60
  4. Step 4: Simplify right side
    427,883,487.60x = 67,242,334,818,437,008
  5. Step 5: Solve for x
    x = 67,242,334,818,437,008/427,883,487.60
  6. Step 6: Final answer
    x = 157,151,039.40

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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.