Home / 654,740,859.55-903,407,506.37-376,228,574.68

Finding the Fourth Proportional to 654,740,859.55, 903,407,506.37 and 376,228,574.68

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Solution

The fourth proportional to 654,740,859.55, 903,407,506.37 and 376,228,574.68 is: 519,117,928.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,740,859.55 : 903,407,506.37 = 376,228,574.68 : x
  2. Step 2: Convert to fraction form
    654,740,859.55/903,407,506.37 = 376,228,574.68/x
  3. Step 3: Cross multiply
    654,740,859.55x = 903,407,506.37 × 376,228,574.68
  4. Step 4: Simplify right side
    654,740,859.55x = 339,887,718,476,798,144
  5. Step 5: Solve for x
    x = 339,887,718,476,798,144/654,740,859.55
  6. Step 6: Final answer
    x = 519,117,928.14

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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.