Home / 1,005,860,326,132.20-1,388,080,188,702.30-549,118,810,085.90

Finding the Fourth Proportional to 1,005,860,326,132.20, 1,388,080,188,702.30 and 549,118,810,085.90

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Solution

The fourth proportional to 1,005,860,326,132.20, 1,388,080,188,702.30 and 549,118,810,085.90 is: 757,780,102,984.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,860,326,132.20 : 1,388,080,188,702.30 = 549,118,810,085.90 : x
  2. Step 2: Convert to fraction form
    1,005,860,326,132.20/1,388,080,188,702.30 = 549,118,810,085.90/x
  3. Step 3: Cross multiply
    1,005,860,326,132.20x = 1,388,080,188,702.30 × 549,118,810,085.90
  4. Step 4: Simplify right side
    1,005,860,326,132.20x = 762,220,941,524,018,627,870,720
  5. Step 5: Solve for x
    x = 762,220,941,524,018,627,870,720/1,005,860,326,132.20
  6. Step 6: Final answer
    x = 757,780,102,984.04

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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.