Home / 620,339,887.04-856,196,076.84-369,591,170

Finding the Fourth Proportional to 620,339,887.04, 856,196,076.84 and 369,591,170

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Solution

The fourth proportional to 620,339,887.04, 856,196,076.84 and 369,591,170 is: 510,111,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,339,887.04 : 856,196,076.84 = 369,591,170 : x
  2. Step 2: Convert to fraction form
    620,339,887.04/856,196,076.84 = 369,591,170/x
  3. Step 3: Cross multiply
    620,339,887.04x = 856,196,076.84 × 369,591,170
  4. Step 4: Simplify right side
    620,339,887.04x = 316,442,509,788,705,536
  5. Step 5: Solve for x
    x = 316,442,509,788,705,536/620,339,887.04
  6. Step 6: Final answer
    x = 510,111,499.20

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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.