Home / 692,945,318.61-1,039,417,989.92-168,310,885.38

Finding the Fourth Proportional to 692,945,318.61, 1,039,417,989.92 and 168,310,885.38

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Solution

The fourth proportional to 692,945,318.61, 1,039,417,989.92 and 168,310,885.38 is: 252,466,330.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,945,318.61 : 1,039,417,989.92 = 168,310,885.38 : x
  2. Step 2: Convert to fraction form
    692,945,318.61/1,039,417,989.92 = 168,310,885.38/x
  3. Step 3: Cross multiply
    692,945,318.61x = 1,039,417,989.92 × 168,310,885.38
  4. Step 4: Simplify right side
    692,945,318.61x = 174,945,362,166,525,184
  5. Step 5: Solve for x
    x = 174,945,362,166,525,184/692,945,318.61
  6. Step 6: Final answer
    x = 252,466,330.99

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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.