Home / 415,800,962.16-623,699,743.32-104,909,306.64

Finding the Fourth Proportional to 415,800,962.16, 623,699,743.32 and 104,909,306.64

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Solution

The fourth proportional to 415,800,962.16, 623,699,743.32 and 104,909,306.64 is: 157,363,531.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,800,962.16 : 623,699,743.32 = 104,909,306.64 : x
  2. Step 2: Convert to fraction form
    415,800,962.16/623,699,743.32 = 104,909,306.64/x
  3. Step 3: Cross multiply
    415,800,962.16x = 623,699,743.32 × 104,909,306.64
  4. Step 4: Simplify right side
    415,800,962.16x = 65,431,907,623,247,176
  5. Step 5: Solve for x
    x = 65,431,907,623,247,176/415,800,962.16
  6. Step 6: Final answer
    x = 157,363,531.06

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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.