Home / 379,887,843,438.36-569,850,091,957.88-124,911,581,958.81

Finding the Fourth Proportional to 379,887,843,438.36, 569,850,091,957.88 and 124,911,581,958.81

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Solution

The fourth proportional to 379,887,843,438.36, 569,850,091,957.88 and 124,911,581,958.81 is: 187,373,399,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,887,843,438.36 : 569,850,091,957.88 = 124,911,581,958.81 : x
  2. Step 2: Convert to fraction form
    379,887,843,438.36/569,850,091,957.88 = 124,911,581,958.81/x
  3. Step 3: Cross multiply
    379,887,843,438.36x = 569,850,091,957.88 × 124,911,581,958.81
  4. Step 4: Simplify right side
    379,887,843,438.36x = 71,180,876,465,832,145,715,200
  5. Step 5: Solve for x
    x = 71,180,876,465,832,145,715,200/379,887,843,438.36
  6. Step 6: Final answer
    x = 187,373,399,005.28

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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.