Home / 469,008,143.20-703,512,214.80-346,564,136.80

Finding the Fourth Proportional to 469,008,143.20, 703,512,214.80 and 346,564,136.80

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Solution

The fourth proportional to 469,008,143.20, 703,512,214.80 and 346,564,136.80 is: 519,846,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,008,143.20 : 703,512,214.80 = 346,564,136.80 : x
  2. Step 2: Convert to fraction form
    469,008,143.20/703,512,214.80 = 346,564,136.80/x
  3. Step 3: Cross multiply
    469,008,143.20x = 703,512,214.80 × 346,564,136.80
  4. Step 4: Simplify right side
    469,008,143.20x = 243,812,103,450,418,176
  5. Step 5: Solve for x
    x = 243,812,103,450,418,176/469,008,143.20
  6. Step 6: Final answer
    x = 519,846,205.20

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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.