Home / 651,521,280,738.45-899,099,514,177.13-358,546,203,562.78

Finding the Fourth Proportional to 651,521,280,738.45, 899,099,514,177.13 and 358,546,203,562.78

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Solution

The fourth proportional to 651,521,280,738.45, 899,099,514,177.13 and 358,546,203,562.78 is: 494,793,841,680.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,521,280,738.45 : 899,099,514,177.13 = 358,546,203,562.78 : x
  2. Step 2: Convert to fraction form
    651,521,280,738.45/899,099,514,177.13 = 358,546,203,562.78/x
  3. Step 3: Cross multiply
    651,521,280,738.45x = 899,099,514,177.13 × 358,546,203,562.78
  4. Step 4: Simplify right side
    651,521,280,738.45x = 322,368,717,433,349,903,220,736
  5. Step 5: Solve for x
    x = 322,368,717,433,349,903,220,736/651,521,280,738.45
  6. Step 6: Final answer
    x = 494,793,841,680.77

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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.