Home / 439,806,667.20-659,710,000.80-167,142,004.80

Finding the Fourth Proportional to 439,806,667.20, 659,710,000.80 and 167,142,004.80

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Solution

The fourth proportional to 439,806,667.20, 659,710,000.80 and 167,142,004.80 is: 250,713,007.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,806,667.20 : 659,710,000.80 = 167,142,004.80 : x
  2. Step 2: Convert to fraction form
    439,806,667.20/659,710,000.80 = 167,142,004.80/x
  3. Step 3: Cross multiply
    439,806,667.20x = 659,710,000.80 × 167,142,004.80
  4. Step 4: Simplify right side
    439,806,667.20x = 110,265,252,120,321,600
  5. Step 5: Solve for x
    x = 110,265,252,120,321,600/439,806,667.20
  6. Step 6: Final answer
    x = 250,713,007.20

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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.