Home / 489,388,421,201.53-675,266,368,326.50-272,609,221,026.77

Finding the Fourth Proportional to 489,388,421,201.53, 675,266,368,326.50 and 272,609,221,026.77

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Solution

The fourth proportional to 489,388,421,201.53, 675,266,368,326.50 and 272,609,221,026.77 is: 376,150,784,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,388,421,201.53 : 675,266,368,326.50 = 272,609,221,026.77 : x
  2. Step 2: Convert to fraction form
    489,388,421,201.53/675,266,368,326.50 = 272,609,221,026.77/x
  3. Step 3: Cross multiply
    489,388,421,201.53x = 675,266,368,326.50 × 272,609,221,026.77
  4. Step 4: Simplify right side
    489,388,421,201.53x = 184,083,838,655,063,107,043,328
  5. Step 5: Solve for x
    x = 184,083,838,655,063,107,043,328/489,388,421,201.53
  6. Step 6: Final answer
    x = 376,150,784,693.90

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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.