Home / 575,214,916.80-862,822,375.20-479,555,536.80

Finding the Fourth Proportional to 575,214,916.80, 862,822,375.20 and 479,555,536.80

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Solution

The fourth proportional to 575,214,916.80, 862,822,375.20 and 479,555,536.80 is: 719,333,305.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,214,916.80 : 862,822,375.20 = 479,555,536.80 : x
  2. Step 2: Convert to fraction form
    575,214,916.80/862,822,375.20 = 479,555,536.80/x
  3. Step 3: Cross multiply
    575,214,916.80x = 862,822,375.20 × 479,555,536.80
  4. Step 4: Simplify right side
    575,214,916.80x = 413,771,247,302,087,040
  5. Step 5: Solve for x
    x = 413,771,247,302,087,040/575,214,916.80
  6. Step 6: Final answer
    x = 719,333,305.20

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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.