Home / 652,480,468.92-900,422,996.94-355,124,843.19

Finding the Fourth Proportional to 652,480,468.92, 900,422,996.94 and 355,124,843.19

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Solution

The fourth proportional to 652,480,468.92, 900,422,996.94 and 355,124,843.19 is: 490,072,256.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,480,468.92 : 900,422,996.94 = 355,124,843.19 : x
  2. Step 2: Convert to fraction form
    652,480,468.92/900,422,996.94 = 355,124,843.19/x
  3. Step 3: Cross multiply
    652,480,468.92x = 900,422,996.94 × 355,124,843.19
  4. Step 4: Simplify right side
    652,480,468.92x = 319,762,575,592,987,392
  5. Step 5: Solve for x
    x = 319,762,575,592,987,392/652,480,468.92
  6. Step 6: Final answer
    x = 490,072,256.30

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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.