Home / 2,072,039,228.40-3,107,986,957.80-519,344,137.20

Finding the Fourth Proportional to 2,072,039,228.40, 3,107,986,957.80 and 519,344,137.20

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Solution

The fourth proportional to 2,072,039,228.40, 3,107,986,957.80 and 519,344,137.20 is: 778,998,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,039,228.40 : 3,107,986,957.80 = 519,344,137.20 : x
  2. Step 2: Convert to fraction form
    2,072,039,228.40/3,107,986,957.80 = 519,344,137.20/x
  3. Step 3: Cross multiply
    2,072,039,228.40x = 3,107,986,957.80 × 519,344,137.20
  4. Step 4: Simplify right side
    2,072,039,228.40x = 1,614,114,805,027,493,888
  5. Step 5: Solve for x
    x = 1,614,114,805,027,493,888/2,072,039,228.40
  6. Step 6: Final answer
    x = 778,998,188.31

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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.