Home / 533,779,406.40-800,669,109.60-327,155,145.60

Finding the Fourth Proportional to 533,779,406.40, 800,669,109.60 and 327,155,145.60

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Solution

The fourth proportional to 533,779,406.40, 800,669,109.60 and 327,155,145.60 is: 490,732,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,779,406.40 : 800,669,109.60 = 327,155,145.60 : x
  2. Step 2: Convert to fraction form
    533,779,406.40/800,669,109.60 = 327,155,145.60/x
  3. Step 3: Cross multiply
    533,779,406.40x = 800,669,109.60 × 327,155,145.60
  4. Step 4: Simplify right side
    533,779,406.40x = 261,943,019,128,610,400
  5. Step 5: Solve for x
    x = 261,943,019,128,610,400/533,779,406.40
  6. Step 6: Final answer
    x = 490,732,718.40

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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.