Home / 633,085,039.56-873,705,822.12-398,336,921.04

Finding the Fourth Proportional to 633,085,039.56, 873,705,822.12 and 398,336,921.04

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Solution

The fourth proportional to 633,085,039.56, 873,705,822.12 and 398,336,921.04 is: 549,735,446.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,085,039.56 : 873,705,822.12 = 398,336,921.04 : x
  2. Step 2: Convert to fraction form
    633,085,039.56/873,705,822.12 = 398,336,921.04/x
  3. Step 3: Cross multiply
    633,085,039.56x = 873,705,822.12 × 398,336,921.04
  4. Step 4: Simplify right side
    633,085,039.56x = 348,029,287,078,002,752
  5. Step 5: Solve for x
    x = 348,029,287,078,002,752/633,085,039.56
  6. Step 6: Final answer
    x = 549,735,446.79

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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.