Home / 708,589,628.70-1,062,884,443.05-637,163,958.30

Finding the Fourth Proportional to 708,589,628.70, 1,062,884,443.05 and 637,163,958.30

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Solution

The fourth proportional to 708,589,628.70, 1,062,884,443.05 and 637,163,958.30 is: 955,745,937.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,589,628.70 : 1,062,884,443.05 = 637,163,958.30 : x
  2. Step 2: Convert to fraction form
    708,589,628.70/1,062,884,443.05 = 637,163,958.30/x
  3. Step 3: Cross multiply
    708,589,628.70x = 1,062,884,443.05 × 637,163,958.30
  4. Step 4: Simplify right side
    708,589,628.70x = 677,231,658,949,228,800
  5. Step 5: Solve for x
    x = 677,231,658,949,228,800/708,589,628.70
  6. Step 6: Final answer
    x = 955,745,937.45

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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.