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Finding the Fourth Proportional to 556,572,033.30, 834,858,049.95 and 193,103,130.90

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Solution

The fourth proportional to 556,572,033.30, 834,858,049.95 and 193,103,130.90 is: 289,654,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,572,033.30 : 834,858,049.95 = 193,103,130.90 : x
  2. Step 2: Convert to fraction form
    556,572,033.30/834,858,049.95 = 193,103,130.90/x
  3. Step 3: Cross multiply
    556,572,033.30x = 834,858,049.95 × 193,103,130.90
  4. Step 4: Simplify right side
    556,572,033.30x = 161,213,703,302,413,600
  5. Step 5: Solve for x
    x = 161,213,703,302,413,600/556,572,033.30
  6. Step 6: Final answer
    x = 289,654,696.35

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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.