Home / 551,770,060.66-761,437,139.01-300,873,836.71

Finding the Fourth Proportional to 551,770,060.66, 761,437,139.01 and 300,873,836.71

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Solution

The fourth proportional to 551,770,060.66, 761,437,139.01 and 300,873,836.71 is: 415,202,871.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,770,060.66 : 761,437,139.01 = 300,873,836.71 : x
  2. Step 2: Convert to fraction form
    551,770,060.66/761,437,139.01 = 300,873,836.71/x
  3. Step 3: Cross multiply
    551,770,060.66x = 761,437,139.01 × 300,873,836.71
  4. Step 4: Simplify right side
    551,770,060.66x = 229,096,513,427,247,840
  5. Step 5: Solve for x
    x = 229,096,513,427,247,840/551,770,060.66
  6. Step 6: Final answer
    x = 415,202,871.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.