Home / 428,597,047.92-642,959,455.53-152,225,043.27

Finding the Fourth Proportional to 428,597,047.92, 642,959,455.53 and 152,225,043.27

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Solution

The fourth proportional to 428,597,047.92, 642,959,455.53 and 152,225,043.27 is: 228,360,254.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,597,047.92 : 642,959,455.53 = 152,225,043.27 : x
  2. Step 2: Convert to fraction form
    428,597,047.92/642,959,455.53 = 152,225,043.27/x
  3. Step 3: Cross multiply
    428,597,047.92x = 642,959,455.53 × 152,225,043.27
  4. Step 4: Simplify right side
    428,597,047.92x = 97,874,530,938,909,888
  5. Step 5: Solve for x
    x = 97,874,530,938,909,888/428,597,047.92
  6. Step 6: Final answer
    x = 228,360,254.50

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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.