Home / 1,057,252,114.20-1,585,878,171.30-644,003,592.60

Finding the Fourth Proportional to 1,057,252,114.20, 1,585,878,171.30 and 644,003,592.60

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Solution

The fourth proportional to 1,057,252,114.20, 1,585,878,171.30 and 644,003,592.60 is: 966,005,388.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,252,114.20 : 1,585,878,171.30 = 644,003,592.60 : x
  2. Step 2: Convert to fraction form
    1,057,252,114.20/1,585,878,171.30 = 644,003,592.60/x
  3. Step 3: Cross multiply
    1,057,252,114.20x = 1,585,878,171.30 × 644,003,592.60
  4. Step 4: Simplify right side
    1,057,252,114.20x = 1,021,311,239,743,118,208
  5. Step 5: Solve for x
    x = 1,021,311,239,743,118,208/1,057,252,114.20
  6. Step 6: Final answer
    x = 966,005,388.90

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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.