Home / 1,241,082,861.28-1,712,705,901-684,185,837.20

Finding the Fourth Proportional to 1,241,082,861.28, 1,712,705,901 and 684,185,837.20

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Solution

The fourth proportional to 1,241,082,861.28, 1,712,705,901 and 684,185,837.20 is: 944,182,823.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,082,861.28 : 1,712,705,901 = 684,185,837.20 : x
  2. Step 2: Convert to fraction form
    1,241,082,861.28/1,712,705,901 = 684,185,837.20/x
  3. Step 3: Cross multiply
    1,241,082,861.28x = 1,712,705,901 × 684,185,837.20
  4. Step 4: Simplify right side
    1,241,082,861.28x = 1,171,809,120,753,065,472
  5. Step 5: Solve for x
    x = 1,171,809,120,753,065,472/1,241,082,861.28
  6. Step 6: Final answer
    x = 944,182,823.98

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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.