Home / 798,901,384.50-1,102,517,958.94-446,477,364.86

Finding the Fourth Proportional to 798,901,384.50, 1,102,517,958.94 and 446,477,364.86

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Solution

The fourth proportional to 798,901,384.50, 1,102,517,958.94 and 446,477,364.86 is: 616,157,791.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,901,384.50 : 1,102,517,958.94 = 446,477,364.86 : x
  2. Step 2: Convert to fraction form
    798,901,384.50/1,102,517,958.94 = 446,477,364.86/x
  3. Step 3: Cross multiply
    798,901,384.50x = 1,102,517,958.94 × 446,477,364.86
  4. Step 4: Simplify right side
    798,901,384.50x = 492,249,313,011,728,128
  5. Step 5: Solve for x
    x = 492,249,313,011,728,128/798,901,384.50
  6. Step 6: Final answer
    x = 616,157,791.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.