Home / 465,277,085.45-642,080,437.67-256,432,729.67

Finding the Fourth Proportional to 465,277,085.45, 642,080,437.67 and 256,432,729.67

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Solution

The fourth proportional to 465,277,085.45, 642,080,437.67 and 256,432,729.67 is: 353,876,097.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,277,085.45 : 642,080,437.67 = 256,432,729.67 : x
  2. Step 2: Convert to fraction form
    465,277,085.45/642,080,437.67 = 256,432,729.67/x
  3. Step 3: Cross multiply
    465,277,085.45x = 642,080,437.67 × 256,432,729.67
  4. Step 4: Simplify right side
    465,277,085.45x = 164,650,439,296,857,088
  5. Step 5: Solve for x
    x = 164,650,439,296,857,088/465,277,085.45
  6. Step 6: Final answer
    x = 353,876,097.59

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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.