Home / 718,443,011.80-1,077,664,517.70-563,474,816.20

Finding the Fourth Proportional to 718,443,011.80, 1,077,664,517.70 and 563,474,816.20

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Solution

The fourth proportional to 718,443,011.80, 1,077,664,517.70 and 563,474,816.20 is: 845,212,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,443,011.80 : 1,077,664,517.70 = 563,474,816.20 : x
  2. Step 2: Convert to fraction form
    718,443,011.80/1,077,664,517.70 = 563,474,816.20/x
  3. Step 3: Cross multiply
    718,443,011.80x = 1,077,664,517.70 × 563,474,816.20
  4. Step 4: Simplify right side
    718,443,011.80x = 607,236,816,036,269,184
  5. Step 5: Solve for x
    x = 607,236,816,036,269,184/718,443,011.80
  6. Step 6: Final answer
    x = 845,212,224.30

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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.