Home / 523,523,306.48-722,461,986.72-288,577,890.49

Finding the Fourth Proportional to 523,523,306.48, 722,461,986.72 and 288,577,890.49

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Solution

The fourth proportional to 523,523,306.48, 722,461,986.72 and 288,577,890.49 is: 398,237,391.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,523,306.48 : 722,461,986.72 = 288,577,890.49 : x
  2. Step 2: Convert to fraction form
    523,523,306.48/722,461,986.72 = 288,577,890.49/x
  3. Step 3: Cross multiply
    523,523,306.48x = 722,461,986.72 × 288,577,890.49
  4. Step 4: Simplify right side
    523,523,306.48x = 208,486,556,086,416,832
  5. Step 5: Solve for x
    x = 208,486,556,086,416,832/523,523,306.48
  6. Step 6: Final answer
    x = 398,237,391.74

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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.