Home / 347,736,638.80-521,604,958.20-343,201,675.60

Finding the Fourth Proportional to 347,736,638.80, 521,604,958.20 and 343,201,675.60

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Solution

The fourth proportional to 347,736,638.80, 521,604,958.20 and 343,201,675.60 is: 514,802,513.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,638.80 : 521,604,958.20 = 343,201,675.60 : x
  2. Step 2: Convert to fraction form
    347,736,638.80/521,604,958.20 = 343,201,675.60/x
  3. Step 3: Cross multiply
    347,736,638.80x = 521,604,958.20 × 343,201,675.60
  4. Step 4: Simplify right side
    347,736,638.80x = 179,015,695,655,507,968
  5. Step 5: Solve for x
    x = 179,015,695,655,507,968/347,736,638.80
  6. Step 6: Final answer
    x = 514,802,513.40

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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.