Home / 842,167,801.14-1,162,113,571.83-465,816,289.14

Finding the Fourth Proportional to 842,167,801.14, 1,162,113,571.83 and 465,816,289.14

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Solution

The fourth proportional to 842,167,801.14, 1,162,113,571.83 and 465,816,289.14 is: 642,783,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,167,801.14 : 1,162,113,571.83 = 465,816,289.14 : x
  2. Step 2: Convert to fraction form
    842,167,801.14/1,162,113,571.83 = 465,816,289.14/x
  3. Step 3: Cross multiply
    842,167,801.14x = 1,162,113,571.83 × 465,816,289.14
  4. Step 4: Simplify right side
    842,167,801.14x = 541,331,431,590,851,584
  5. Step 5: Solve for x
    x = 541,331,431,590,851,584/842,167,801.14
  6. Step 6: Final answer
    x = 642,783,339.45

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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.