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Finding the Fourth Proportional to 556,429,511.80, 834,644,267.70 and 192,960,609.40

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Solution

The fourth proportional to 556,429,511.80, 834,644,267.70 and 192,960,609.40 is: 289,440,914.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,429,511.80 : 834,644,267.70 = 192,960,609.40 : x
  2. Step 2: Convert to fraction form
    556,429,511.80/834,644,267.70 = 192,960,609.40/x
  3. Step 3: Cross multiply
    556,429,511.80x = 834,644,267.70 × 192,960,609.40
  4. Step 4: Simplify right side
    556,429,511.80x = 161,053,466,527,608,736
  5. Step 5: Solve for x
    x = 161,053,466,527,608,736/556,429,511.80
  6. Step 6: Final answer
    x = 289,440,914.10

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1.5x scale

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.