Home / 727,600,123.40-1,091,541,902.70-210,047,448.20

Finding the Fourth Proportional to 727,600,123.40, 1,091,541,902.70 and 210,047,448.20

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Solution

The fourth proportional to 727,600,123.40, 1,091,541,902.70 and 210,047,448.20 is: 315,112,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,600,123.40 : 1,091,541,902.70 = 210,047,448.20 : x
  2. Step 2: Convert to fraction form
    727,600,123.40/1,091,541,902.70 = 210,047,448.20/x
  3. Step 3: Cross multiply
    727,600,123.40x = 1,091,541,902.70 × 210,047,448.20
  4. Step 4: Simplify right side
    727,600,123.40x = 229,275,591,265,507,680
  5. Step 5: Solve for x
    x = 229,275,591,265,507,680/727,600,123.40
  6. Step 6: Final answer
    x = 315,112,084.09

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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.