Home / 352,499,181.60-528,748,772.40-279,939,770.40

Finding the Fourth Proportional to 352,499,181.60, 528,748,772.40 and 279,939,770.40

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Solution

The fourth proportional to 352,499,181.60, 528,748,772.40 and 279,939,770.40 is: 419,909,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,499,181.60 : 528,748,772.40 = 279,939,770.40 : x
  2. Step 2: Convert to fraction form
    352,499,181.60/528,748,772.40 = 279,939,770.40/x
  3. Step 3: Cross multiply
    352,499,181.60x = 528,748,772.40 × 279,939,770.40
  4. Step 4: Simplify right side
    352,499,181.60x = 148,017,809,944,937,824
  5. Step 5: Solve for x
    x = 148,017,809,944,937,824/352,499,181.60
  6. Step 6: Final answer
    x = 419,909,655.60

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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.