Home / 472,394,336.40-708,591,504.60-437,956,959.60

Finding the Fourth Proportional to 472,394,336.40, 708,591,504.60 and 437,956,959.60

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Solution

The fourth proportional to 472,394,336.40, 708,591,504.60 and 437,956,959.60 is: 656,935,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,394,336.40 : 708,591,504.60 = 437,956,959.60 : x
  2. Step 2: Convert to fraction form
    472,394,336.40/708,591,504.60 = 437,956,959.60/x
  3. Step 3: Cross multiply
    472,394,336.40x = 708,591,504.60 × 437,956,959.60
  4. Step 4: Simplify right side
    472,394,336.40x = 310,332,580,953,005,440
  5. Step 5: Solve for x
    x = 310,332,580,953,005,440/472,394,336.40
  6. Step 6: Final answer
    x = 656,935,439.40

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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.