Home / 623,901,168.54-861,010,516.67-345,442,716.68

Finding the Fourth Proportional to 623,901,168.54, 861,010,516.67 and 345,442,716.68

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Solution

The fourth proportional to 623,901,168.54, 861,010,516.67 and 345,442,716.68 is: 476,725,845.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,901,168.54 : 861,010,516.67 = 345,442,716.68 : x
  2. Step 2: Convert to fraction form
    623,901,168.54/861,010,516.67 = 345,442,716.68/x
  3. Step 3: Cross multiply
    623,901,168.54x = 861,010,516.67 × 345,442,716.68
  4. Step 4: Simplify right side
    623,901,168.54x = 297,429,811,962,502,976
  5. Step 5: Solve for x
    x = 297,429,811,962,502,976/623,901,168.54
  6. Step 6: Final answer
    x = 476,725,845.31

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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.