Home / 517,733,634.80-776,600,452.20-436,104,297.20

Finding the Fourth Proportional to 517,733,634.80, 776,600,452.20 and 436,104,297.20

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Solution

The fourth proportional to 517,733,634.80, 776,600,452.20 and 436,104,297.20 is: 654,156,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,733,634.80 : 776,600,452.20 = 436,104,297.20 : x
  2. Step 2: Convert to fraction form
    517,733,634.80/776,600,452.20 = 436,104,297.20/x
  3. Step 3: Cross multiply
    517,733,634.80x = 776,600,452.20 × 436,104,297.20
  4. Step 4: Simplify right side
    517,733,634.80x = 338,678,794,411,883,200
  5. Step 5: Solve for x
    x = 338,678,794,411,883,200/517,733,634.80
  6. Step 6: Final answer
    x = 654,156,445.80

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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.