Home / 758,390,814.72-1,136,587,401.63-321,150,471.12

Finding the Fourth Proportional to 758,390,814.72, 1,136,587,401.63 and 321,150,471.12

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Solution

The fourth proportional to 758,390,814.72, 1,136,587,401.63 and 321,150,471.12 is: 481,302,743.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,390,814.72 : 1,136,587,401.63 = 321,150,471.12 : x
  2. Step 2: Convert to fraction form
    758,390,814.72/1,136,587,401.63 = 321,150,471.12/x
  3. Step 3: Cross multiply
    758,390,814.72x = 1,136,587,401.63 × 321,150,471.12
  4. Step 4: Simplify right side
    758,390,814.72x = 365,015,579,502,531,200
  5. Step 5: Solve for x
    x = 365,015,579,502,531,200/758,390,814.72
  6. Step 6: Final answer
    x = 481,302,743.15

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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.