Home / 556,728,346.80-835,092,520.20-193,222,702.80

Finding the Fourth Proportional to 556,728,346.80, 835,092,520.20 and 193,222,702.80

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Solution

The fourth proportional to 556,728,346.80, 835,092,520.20 and 193,222,702.80 is: 289,834,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,728,346.80 : 835,092,520.20 = 193,222,702.80 : x
  2. Step 2: Convert to fraction form
    556,728,346.80/835,092,520.20 = 193,222,702.80/x
  3. Step 3: Cross multiply
    556,728,346.80x = 835,092,520.20 × 193,222,702.80
  4. Step 4: Simplify right side
    556,728,346.80x = 161,358,833,841,107,616
  5. Step 5: Solve for x
    x = 161,358,833,841,107,616/556,728,346.80
  6. Step 6: Final answer
    x = 289,834,054.20

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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.