Home / 1,035,961,687.80-1,551,157,948.80-789,142,551.30

Finding the Fourth Proportional to 1,035,961,687.80, 1,551,157,948.80 and 789,142,551.30

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Solution

The fourth proportional to 1,035,961,687.80, 1,551,157,948.80 and 789,142,551.30 is: 1,181,592,674.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,961,687.80 : 1,551,157,948.80 = 789,142,551.30 : x
  2. Step 2: Convert to fraction form
    1,035,961,687.80/1,551,157,948.80 = 789,142,551.30/x
  3. Step 3: Cross multiply
    1,035,961,687.80x = 1,551,157,948.80 × 789,142,551.30
  4. Step 4: Simplify right side
    1,035,961,687.80x = 1,224,084,741,185,306,624
  5. Step 5: Solve for x
    x = 1,224,084,741,185,306,624/1,035,961,687.80
  6. Step 6: Final answer
    x = 1,181,592,674.32

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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.