Home / 563,458,948.20-845,188,422.30-345,780,714.60

Finding the Fourth Proportional to 563,458,948.20, 845,188,422.30 and 345,780,714.60

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Solution

The fourth proportional to 563,458,948.20, 845,188,422.30 and 345,780,714.60 is: 518,671,071.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,458,948.20 : 845,188,422.30 = 345,780,714.60 : x
  2. Step 2: Convert to fraction form
    563,458,948.20/845,188,422.30 = 345,780,714.60/x
  3. Step 3: Cross multiply
    563,458,948.20x = 845,188,422.30 × 345,780,714.60
  4. Step 4: Simplify right side
    563,458,948.20x = 292,249,856,634,540,608
  5. Step 5: Solve for x
    x = 292,249,856,634,540,608/563,458,948.20
  6. Step 6: Final answer
    x = 518,671,071.90

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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.