Home / 915,559,630.28-1,263,505,514.82-524,494,637

Finding the Fourth Proportional to 915,559,630.28, 1,263,505,514.82 and 524,494,637

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Solution

The fourth proportional to 915,559,630.28, 1,263,505,514.82 and 524,494,637 is: 723,821,632.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,559,630.28 : 1,263,505,514.82 = 524,494,637 : x
  2. Step 2: Convert to fraction form
    915,559,630.28/1,263,505,514.82 = 524,494,637/x
  3. Step 3: Cross multiply
    915,559,630.28x = 1,263,505,514.82 × 524,494,637
  4. Step 4: Simplify right side
    915,559,630.28x = 662,701,866,343,014,016
  5. Step 5: Solve for x
    x = 662,701,866,343,014,016/915,559,630.28
  6. Step 6: Final answer
    x = 723,821,632.61

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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.