Home / 251,315,683,275.90-376,971,040,663.64-115,139,180,953.35

Finding the Fourth Proportional to 251,315,683,275.90, 376,971,040,663.64 and 115,139,180,953.35

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Solution

The fourth proportional to 251,315,683,275.90, 376,971,040,663.64 and 115,139,180,953.35 is: 172,707,633,281.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,315,683,275.90 : 376,971,040,663.64 = 115,139,180,953.35 : x
  2. Step 2: Convert to fraction form
    251,315,683,275.90/376,971,040,663.64 = 115,139,180,953.35/x
  3. Step 3: Cross multiply
    251,315,683,275.90x = 376,971,040,663.64 × 115,139,180,953.35
  4. Step 4: Simplify right side
    251,315,683,275.90x = 43,404,136,865,143,514,464,256
  5. Step 5: Solve for x
    x = 43,404,136,865,143,514,464,256/251,315,683,275.90
  6. Step 6: Final answer
    x = 172,707,633,281.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.