Home / 648,856,874.88-973,382,996.16-188,734,469.76

Finding the Fourth Proportional to 648,856,874.88, 973,382,996.16 and 188,734,469.76

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Solution

The fourth proportional to 648,856,874.88, 973,382,996.16 and 188,734,469.76 is: 283,130,118.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,856,874.88 : 973,382,996.16 = 188,734,469.76 : x
  2. Step 2: Convert to fraction form
    648,856,874.88/973,382,996.16 = 188,734,469.76/x
  3. Step 3: Cross multiply
    648,856,874.88x = 973,382,996.16 × 188,734,469.76
  4. Step 4: Simplify right side
    648,856,874.88x = 183,710,923,653,657,696
  5. Step 5: Solve for x
    x = 183,710,923,653,657,696/648,856,874.88
  6. Step 6: Final answer
    x = 283,130,118.16

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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.