Home / 680,665,631.04-1,020,784,278.24-220,497,036.48

Finding the Fourth Proportional to 680,665,631.04, 1,020,784,278.24 and 220,497,036.48

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Solution

The fourth proportional to 680,665,631.04, 1,020,784,278.24 and 220,497,036.48 is: 330,676,176.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,665,631.04 : 1,020,784,278.24 = 220,497,036.48 : x
  2. Step 2: Convert to fraction form
    680,665,631.04/1,020,784,278.24 = 220,497,036.48/x
  3. Step 3: Cross multiply
    680,665,631.04x = 1,020,784,278.24 × 220,497,036.48
  4. Step 4: Simplify right side
    680,665,631.04x = 225,079,908,237,295,744
  5. Step 5: Solve for x
    x = 225,079,908,237,295,744/680,665,631.04
  6. Step 6: Final answer
    x = 330,676,176.34

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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.