Home / 633,085,042.56-873,705,826.26-398,336,924.04

Finding the Fourth Proportional to 633,085,042.56, 873,705,826.26 and 398,336,924.04

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Solution

The fourth proportional to 633,085,042.56, 873,705,826.26 and 398,336,924.04 is: 549,735,450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,085,042.56 : 873,705,826.26 = 398,336,924.04 : x
  2. Step 2: Convert to fraction form
    633,085,042.56/873,705,826.26 = 398,336,924.04/x
  3. Step 3: Cross multiply
    633,085,042.56x = 873,705,826.26 × 398,336,924.04
  4. Step 4: Simplify right side
    633,085,042.56x = 348,029,291,348,235,072
  5. Step 5: Solve for x
    x = 348,029,291,348,235,072/633,085,042.56
  6. Step 6: Final answer
    x = 549,735,450.93

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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.