Home / 1,451,507,105.79-2,177,721,683.75-611,593,834.54

Finding the Fourth Proportional to 1,451,507,105.79, 2,177,721,683.75 and 611,593,834.54

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Solution

The fourth proportional to 1,451,507,105.79, 2,177,721,683.75 and 611,593,834.54 is: 917,585,005.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,507,105.79 : 2,177,721,683.75 = 611,593,834.54 : x
  2. Step 2: Convert to fraction form
    1,451,507,105.79/2,177,721,683.75 = 611,593,834.54/x
  3. Step 3: Cross multiply
    1,451,507,105.79x = 2,177,721,683.75 × 611,593,834.54
  4. Step 4: Simplify right side
    1,451,507,105.79x = 1,331,881,155,125,567,744
  5. Step 5: Solve for x
    x = 1,331,881,155,125,567,744/1,451,507,105.79
  6. Step 6: Final answer
    x = 917,585,005.14

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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.