Home / 329,616,090.40-494,502,867.60-99,587,430.40

Finding the Fourth Proportional to 329,616,090.40, 494,502,867.60 and 99,587,430.40

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Solution

The fourth proportional to 329,616,090.40, 494,502,867.60 and 99,587,430.40 is: 149,404,933.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,616,090.40 : 494,502,867.60 = 99,587,430.40 : x
  2. Step 2: Convert to fraction form
    329,616,090.40/494,502,867.60 = 99,587,430.40/x
  3. Step 3: Cross multiply
    329,616,090.40x = 494,502,867.60 × 99,587,430.40
  4. Step 4: Simplify right side
    329,616,090.40x = 49,246,269,909,715,424
  5. Step 5: Solve for x
    x = 49,246,269,909,715,424/329,616,090.40
  6. Step 6: Final answer
    x = 149,404,933.02

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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.