Home / 437,814,725.60-656,288,936.40-207,378,783.20

Finding the Fourth Proportional to 437,814,725.60, 656,288,936.40 and 207,378,783.20

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Solution

The fourth proportional to 437,814,725.60, 656,288,936.40 and 207,378,783.20 is: 310,863,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,814,725.60 : 656,288,936.40 = 207,378,783.20 : x
  2. Step 2: Convert to fraction form
    437,814,725.60/656,288,936.40 = 207,378,783.20/x
  3. Step 3: Cross multiply
    437,814,725.60x = 656,288,936.40 × 207,378,783.20
  4. Step 4: Simplify right side
    437,814,725.60x = 136,100,401,058,254,176
  5. Step 5: Solve for x
    x = 136,100,401,058,254,176/437,814,725.60
  6. Step 6: Final answer
    x = 310,863,004.60

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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.