Home / 531,930,672.90-797,896,009.35-327,857,328.90

Finding the Fourth Proportional to 531,930,672.90, 797,896,009.35 and 327,857,328.90

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Solution

The fourth proportional to 531,930,672.90, 797,896,009.35 and 327,857,328.90 is: 491,785,993.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,930,672.90 : 797,896,009.35 = 327,857,328.90 : x
  2. Step 2: Convert to fraction form
    531,930,672.90/797,896,009.35 = 327,857,328.90/x
  3. Step 3: Cross multiply
    531,930,672.90x = 797,896,009.35 × 327,857,328.90
  4. Step 4: Simplify right side
    531,930,672.90x = 261,596,054,365,460,416
  5. Step 5: Solve for x
    x = 261,596,054,365,460,416/531,930,672.90
  6. Step 6: Final answer
    x = 491,785,993.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.