Home / 929,127,352.77-1,282,229,580.06-505,720,564.04

Finding the Fourth Proportional to 929,127,352.77, 1,282,229,580.06 and 505,720,564.04

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Solution

The fourth proportional to 929,127,352.77, 1,282,229,580.06 and 505,720,564.04 is: 697,912,793.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,127,352.77 : 1,282,229,580.06 = 505,720,564.04 : x
  2. Step 2: Convert to fraction form
    929,127,352.77/1,282,229,580.06 = 505,720,564.04/x
  3. Step 3: Cross multiply
    929,127,352.77x = 1,282,229,580.06 × 505,720,564.04
  4. Step 4: Simplify right side
    929,127,352.77x = 648,449,866,456,715,520
  5. Step 5: Solve for x
    x = 648,449,866,456,715,520/929,127,352.77
  6. Step 6: Final answer
    x = 697,912,793.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.