Home / 563,163,967.70-777,167,949.41-312,286,033.54

Finding the Fourth Proportional to 563,163,967.70, 777,167,949.41 and 312,286,033.54

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Solution

The fourth proportional to 563,163,967.70, 777,167,949.41 and 312,286,033.54 is: 430,955,654.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,163,967.70 : 777,167,949.41 = 312,286,033.54 : x
  2. Step 2: Convert to fraction form
    563,163,967.70/777,167,949.41 = 312,286,033.54/x
  3. Step 3: Cross multiply
    563,163,967.70x = 777,167,949.41 × 312,286,033.54
  4. Step 4: Simplify right side
    563,163,967.70x = 242,698,696,315,664,288
  5. Step 5: Solve for x
    x = 242,698,696,315,664,288/563,163,967.70
  6. Step 6: Final answer
    x = 430,955,654.54

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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.