Home / 851,533,151.14-1,277,294,366.94-458,245,234.36

Finding the Fourth Proportional to 851,533,151.14, 1,277,294,366.94 and 458,245,234.36

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Solution

The fourth proportional to 851,533,151.14, 1,277,294,366.94 and 458,245,234.36 is: 687,364,967.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,533,151.14 : 1,277,294,366.94 = 458,245,234.36 : x
  2. Step 2: Convert to fraction form
    851,533,151.14/1,277,294,366.94 = 458,245,234.36/x
  3. Step 3: Cross multiply
    851,533,151.14x = 1,277,294,366.94 × 458,245,234.36
  4. Step 4: Simplify right side
    851,533,151.14x = 585,314,056,525,128,192
  5. Step 5: Solve for x
    x = 585,314,056,525,128,192/851,533,151.14
  6. Step 6: Final answer
    x = 687,364,967.23

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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.