Home / 554,801,834.84-832,098,709.14-278,378,829.33

Finding the Fourth Proportional to 554,801,834.84, 832,098,709.14 and 278,378,829.33

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Solution

The fourth proportional to 554,801,834.84, 832,098,709.14 and 278,378,829.33 is: 417,516,039.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,801,834.84 : 832,098,709.14 = 278,378,829.33 : x
  2. Step 2: Convert to fraction form
    554,801,834.84/832,098,709.14 = 278,378,829.33/x
  3. Step 3: Cross multiply
    554,801,834.84x = 832,098,709.14 × 278,378,829.33
  4. Step 4: Simplify right side
    554,801,834.84x = 231,638,664,537,397,344
  5. Step 5: Solve for x
    x = 231,638,664,537,397,344/554,801,834.84
  6. Step 6: Final answer
    x = 417,516,039.05

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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.