Home / 1,881,819,318.17-2,823,050,561.51-775,819,579.20

Finding the Fourth Proportional to 1,881,819,318.17, 2,823,050,561.51 and 775,819,579.20

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Solution

The fourth proportional to 1,881,819,318.17, 2,823,050,561.51 and 775,819,579.20 is: 1,163,861,948.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881,819,318.17 : 2,823,050,561.51 = 775,819,579.20 : x
  2. Step 2: Convert to fraction form
    1,881,819,318.17/2,823,050,561.51 = 775,819,579.20/x
  3. Step 3: Cross multiply
    1,881,819,318.17x = 2,823,050,561.51 × 775,819,579.20
  4. Step 4: Simplify right side
    1,881,819,318.17x = 2,190,177,898,687,132,928
  5. Step 5: Solve for x
    x = 2,190,177,898,687,132,928/1,881,819,318.17
  6. Step 6: Final answer
    x = 1,163,861,948.67

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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.