Home / 523,523,306.70-722,461,987.50-288,577,890.71

Finding the Fourth Proportional to 523,523,306.70, 722,461,987.50 and 288,577,890.71

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Solution

The fourth proportional to 523,523,306.70, 722,461,987.50 and 288,577,890.71 is: 398,237,392.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,523,306.70 : 722,461,987.50 = 288,577,890.71 : x
  2. Step 2: Convert to fraction form
    523,523,306.70/722,461,987.50 = 288,577,890.71/x
  3. Step 3: Cross multiply
    523,523,306.70x = 722,461,987.50 × 288,577,890.71
  4. Step 4: Simplify right side
    523,523,306.70x = 208,486,556,468,919,168
  5. Step 5: Solve for x
    x = 208,486,556,468,919,168/523,523,306.70
  6. Step 6: Final answer
    x = 398,237,392.30

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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.