Home / 269,467,478.40-403,445,390.40-261,909,206.40

Finding the Fourth Proportional to 269,467,478.40, 403,445,390.40 and 261,909,206.40

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Solution

The fourth proportional to 269,467,478.40, 403,445,390.40 and 261,909,206.40 is: 392,129,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,467,478.40 : 403,445,390.40 = 261,909,206.40 : x
  2. Step 2: Convert to fraction form
    269,467,478.40/403,445,390.40 = 261,909,206.40/x
  3. Step 3: Cross multiply
    269,467,478.40x = 403,445,390.40 × 261,909,206.40
  4. Step 4: Simplify right side
    269,467,478.40x = 105,666,062,025,402,176
  5. Step 5: Solve for x
    x = 105,666,062,025,402,176/269,467,478.40
  6. Step 6: Final answer
    x = 392,129,182.54

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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.