Home / 563,481,998.40-845,222,997.60-391,295,114.40

Finding the Fourth Proportional to 563,481,998.40, 845,222,997.60 and 391,295,114.40

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Solution

The fourth proportional to 563,481,998.40, 845,222,997.60 and 391,295,114.40 is: 586,942,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,481,998.40 : 845,222,997.60 = 391,295,114.40 : x
  2. Step 2: Convert to fraction form
    563,481,998.40/845,222,997.60 = 391,295,114.40/x
  3. Step 3: Cross multiply
    563,481,998.40x = 845,222,997.60 × 391,295,114.40
  4. Step 4: Simplify right side
    563,481,998.40x = 330,731,629,539,402,944
  5. Step 5: Solve for x
    x = 330,731,629,539,402,944/563,481,998.40
  6. Step 6: Final answer
    x = 586,942,671.60

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1.5x scale

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.