Home / 531,441,994.80-797,162,992.20-338,210,047.20

Finding the Fourth Proportional to 531,441,994.80, 797,162,992.20 and 338,210,047.20

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Solution

The fourth proportional to 531,441,994.80, 797,162,992.20 and 338,210,047.20 is: 507,315,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,441,994.80 : 797,162,992.20 = 338,210,047.20 : x
  2. Step 2: Convert to fraction form
    531,441,994.80/797,162,992.20 = 338,210,047.20/x
  3. Step 3: Cross multiply
    531,441,994.80x = 797,162,992.20 × 338,210,047.20
  4. Step 4: Simplify right side
    531,441,994.80x = 269,608,533,218,055,232
  5. Step 5: Solve for x
    x = 269,608,533,218,055,232/531,441,994.80
  6. Step 6: Final answer
    x = 507,315,070.80

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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.