Home / 2,166,065,506.28-2,991,974,353.46-1,791,236,133.56

Finding the Fourth Proportional to 2,166,065,506.28, 2,991,974,353.46 and 1,791,236,133.56

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Solution

The fourth proportional to 2,166,065,506.28, 2,991,974,353.46 and 1,791,236,133.56 is: 2,474,224,605.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,065,506.28 : 2,991,974,353.46 = 1,791,236,133.56 : x
  2. Step 2: Convert to fraction form
    2,166,065,506.28/2,991,974,353.46 = 1,791,236,133.56/x
  3. Step 3: Cross multiply
    2,166,065,506.28x = 2,991,974,353.46 × 1,791,236,133.56
  4. Step 4: Simplify right side
    2,166,065,506.28x = 5,359,332,572,602,371,072
  5. Step 5: Solve for x
    x = 5,359,332,572,602,371,072/2,166,065,506.28
  6. Step 6: Final answer
    x = 2,474,224,605.43

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Double scale
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1.5x scale

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.