Home / 478,462,023.60-717,693,035.40-206,364,231.60

Finding the Fourth Proportional to 478,462,023.60, 717,693,035.40 and 206,364,231.60

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Solution

The fourth proportional to 478,462,023.60, 717,693,035.40 and 206,364,231.60 is: 309,546,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,462,023.60 : 717,693,035.40 = 206,364,231.60 : x
  2. Step 2: Convert to fraction form
    478,462,023.60/717,693,035.40 = 206,364,231.60/x
  3. Step 3: Cross multiply
    478,462,023.60x = 717,693,035.40 × 206,364,231.60
  4. Step 4: Simplify right side
    478,462,023.60x = 148,106,171,774,992,576
  5. Step 5: Solve for x
    x = 148,106,171,774,992,576/478,462,023.60
  6. Step 6: Final answer
    x = 309,546,347.40

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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.