Home / 435,494,615.20-653,241,922.80-384,476,279.20

Finding the Fourth Proportional to 435,494,615.20, 653,241,922.80 and 384,476,279.20

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Solution

The fourth proportional to 435,494,615.20, 653,241,922.80 and 384,476,279.20 is: 576,714,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,494,615.20 : 653,241,922.80 = 384,476,279.20 : x
  2. Step 2: Convert to fraction form
    435,494,615.20/653,241,922.80 = 384,476,279.20/x
  3. Step 3: Cross multiply
    435,494,615.20x = 653,241,922.80 × 384,476,279.20
  4. Step 4: Simplify right side
    435,494,615.20x = 251,156,023,895,597,632
  5. Step 5: Solve for x
    x = 251,156,023,895,597,632/435,494,615.20
  6. Step 6: Final answer
    x = 576,714,418.80

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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.