Home / 478,462,024.60-717,693,036.90-206,364,232.60

Finding the Fourth Proportional to 478,462,024.60, 717,693,036.90 and 206,364,232.60

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Solution

The fourth proportional to 478,462,024.60, 717,693,036.90 and 206,364,232.60 is: 309,546,348.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,462,024.60 : 717,693,036.90 = 206,364,232.60 : x
  2. Step 2: Convert to fraction form
    478,462,024.60/717,693,036.90 = 206,364,232.60/x
  3. Step 3: Cross multiply
    478,462,024.60x = 717,693,036.90 × 206,364,232.60
  4. Step 4: Simplify right side
    478,462,024.60x = 148,106,172,802,231,968
  5. Step 5: Solve for x
    x = 148,106,172,802,231,968/478,462,024.60
  6. Step 6: Final answer
    x = 309,546,348.90

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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.