Home / 651,521,280,739.45-899,099,514,178.51-358,546,203,563.78

Finding the Fourth Proportional to 651,521,280,739.45, 899,099,514,178.51 and 358,546,203,563.78

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Solution

The fourth proportional to 651,521,280,739.45, 899,099,514,178.51 and 358,546,203,563.78 is: 494,793,841,682.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,521,280,739.45 : 899,099,514,178.51 = 358,546,203,563.78 : x
  2. Step 2: Convert to fraction form
    651,521,280,739.45/899,099,514,178.51 = 358,546,203,563.78/x
  3. Step 3: Cross multiply
    651,521,280,739.45x = 899,099,514,178.51 × 358,546,203,563.78
  4. Step 4: Simplify right side
    651,521,280,739.45x = 322,368,717,434,743,754,326,016
  5. Step 5: Solve for x
    x = 322,368,717,434,743,754,326,016/651,521,280,739.45
  6. Step 6: Final answer
    x = 494,793,841,682.15

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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.