Home / 563,459,179.20-845,188,768.80-345,780,945.60

Finding the Fourth Proportional to 563,459,179.20, 845,188,768.80 and 345,780,945.60

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Solution

The fourth proportional to 563,459,179.20, 845,188,768.80 and 345,780,945.60 is: 518,671,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,459,179.20 : 845,188,768.80 = 345,780,945.60 : x
  2. Step 2: Convert to fraction form
    563,459,179.20/845,188,768.80 = 345,780,945.60/x
  3. Step 3: Cross multiply
    563,459,179.20x = 845,188,768.80 × 345,780,945.60
  4. Step 4: Simplify right side
    563,459,179.20x = 292,250,171,686,163,776
  5. Step 5: Solve for x
    x = 292,250,171,686,163,776/563,459,179.20
  6. Step 6: Final answer
    x = 518,671,418.40

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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.