Home / 854,567,606.76-1,282,010,818.14-388,261,726.44

Finding the Fourth Proportional to 854,567,606.76, 1,282,010,818.14 and 388,261,726.44

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Solution

The fourth proportional to 854,567,606.76, 1,282,010,818.14 and 388,261,726.44 is: 582,465,014.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,567,606.76 : 1,282,010,818.14 = 388,261,726.44 : x
  2. Step 2: Convert to fraction form
    854,567,606.76/1,282,010,818.14 = 388,261,726.44/x
  3. Step 3: Cross multiply
    854,567,606.76x = 1,282,010,818.14 × 388,261,726.44
  4. Step 4: Simplify right side
    854,567,606.76x = 497,755,733,565,793,280
  5. Step 5: Solve for x
    x = 497,755,733,565,793,280/854,567,606.76
  6. Step 6: Final answer
    x = 582,465,014.62

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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.