Home / 445,176,032.40-667,764,048.60-397,558,918.80

Finding the Fourth Proportional to 445,176,032.40, 667,764,048.60 and 397,558,918.80

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Solution

The fourth proportional to 445,176,032.40, 667,764,048.60 and 397,558,918.80 is: 596,338,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,176,032.40 : 667,764,048.60 = 397,558,918.80 : x
  2. Step 2: Convert to fraction form
    445,176,032.40/667,764,048.60 = 397,558,918.80/x
  3. Step 3: Cross multiply
    445,176,032.40x = 667,764,048.60 × 397,558,918.80
  4. Step 4: Simplify right side
    445,176,032.40x = 265,475,553,174,926,656
  5. Step 5: Solve for x
    x = 265,475,553,174,926,656/445,176,032.40
  6. Step 6: Final answer
    x = 596,338,378.20

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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.