Home / 373,319,253.76-515,103,659.68-214,518,693.01

Finding the Fourth Proportional to 373,319,253.76, 515,103,659.68 and 214,518,693.01

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Solution

The fourth proportional to 373,319,253.76, 515,103,659.68 and 214,518,693.01 is: 295,991,601.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,319,253.76 : 515,103,659.68 = 214,518,693.01 : x
  2. Step 2: Convert to fraction form
    373,319,253.76/515,103,659.68 = 214,518,693.01/x
  3. Step 3: Cross multiply
    373,319,253.76x = 515,103,659.68 × 214,518,693.01
  4. Step 4: Simplify right side
    373,319,253.76x = 110,499,363,839,221,424
  5. Step 5: Solve for x
    x = 110,499,363,839,221,424/373,319,253.76
  6. Step 6: Final answer
    x = 295,991,601.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.