Home / 652,998,099.88-901,201,029.06-487,698,691.24

Finding the Fourth Proportional to 652,998,099.88, 901,201,029.06 and 487,698,691.24

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Solution

The fourth proportional to 652,998,099.88, 901,201,029.06 and 487,698,691.24 is: 673,071,732.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,998,099.88 : 901,201,029.06 = 487,698,691.24 : x
  2. Step 2: Convert to fraction form
    652,998,099.88/901,201,029.06 = 487,698,691.24/x
  3. Step 3: Cross multiply
    652,998,099.88x = 901,201,029.06 × 487,698,691.24
  4. Step 4: Simplify right side
    652,998,099.88x = 439,514,562,416,703,168
  5. Step 5: Solve for x
    x = 439,514,562,416,703,168/652,998,099.88
  6. Step 6: Final answer
    x = 673,071,732.52

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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.