Home / 685,793,347.22-946,420,784.06-384,384,180.53

Finding the Fourth Proportional to 685,793,347.22, 946,420,784.06 and 384,384,180.53

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Solution

The fourth proportional to 685,793,347.22, 946,420,784.06 and 384,384,180.53 is: 530,464,722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,793,347.22 : 946,420,784.06 = 384,384,180.53 : x
  2. Step 2: Convert to fraction form
    685,793,347.22/946,420,784.06 = 384,384,180.53/x
  3. Step 3: Cross multiply
    685,793,347.22x = 946,420,784.06 × 384,384,180.53
  4. Step 4: Simplify right side
    685,793,347.22x = 363,789,177,510,809,088
  5. Step 5: Solve for x
    x = 363,789,177,510,809,088/685,793,347.22
  6. Step 6: Final answer
    x = 530,464,722.34

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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.