Home / 1,119,744,912.60-1,679,617,368.90-966,563,933.40

Finding the Fourth Proportional to 1,119,744,912.60, 1,679,617,368.90 and 966,563,933.40

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Solution

The fourth proportional to 1,119,744,912.60, 1,679,617,368.90 and 966,563,933.40 is: 1,449,845,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,744,912.60 : 1,679,617,368.90 = 966,563,933.40 : x
  2. Step 2: Convert to fraction form
    1,119,744,912.60/1,679,617,368.90 = 966,563,933.40/x
  3. Step 3: Cross multiply
    1,119,744,912.60x = 1,679,617,368.90 × 966,563,933.40
  4. Step 4: Simplify right side
    1,119,744,912.60x = 1,623,457,570,690,942,976
  5. Step 5: Solve for x
    x = 1,623,457,570,690,942,976/1,119,744,912.60
  6. Step 6: Final answer
    x = 1,449,845,900.10

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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.