Home / 439,531,968.20-659,297,952.30-132,871,411.40

Finding the Fourth Proportional to 439,531,968.20, 659,297,952.30 and 132,871,411.40

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Solution

The fourth proportional to 439,531,968.20, 659,297,952.30 and 132,871,411.40 is: 199,307,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,531,968.20 : 659,297,952.30 = 132,871,411.40 : x
  2. Step 2: Convert to fraction form
    439,531,968.20/659,297,952.30 = 132,871,411.40/x
  3. Step 3: Cross multiply
    439,531,968.20x = 659,297,952.30 × 132,871,411.40
  4. Step 4: Simplify right side
    439,531,968.20x = 87,601,849,455,230,880
  5. Step 5: Solve for x
    x = 87,601,849,455,230,880/439,531,968.20
  6. Step 6: Final answer
    x = 199,307,117.10

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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.