Home / 499,673,054.10-689,570,358.89-276,654,728.74

Finding the Fourth Proportional to 499,673,054.10, 689,570,358.89 and 276,654,728.74

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Solution

The fourth proportional to 499,673,054.10, 689,570,358.89 and 276,654,728.74 is: 381,795,454.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,673,054.10 : 689,570,358.89 = 276,654,728.74 : x
  2. Step 2: Convert to fraction form
    499,673,054.10/689,570,358.89 = 276,654,728.74/x
  3. Step 3: Cross multiply
    499,673,054.10x = 689,570,358.89 × 276,654,728.74
  4. Step 4: Simplify right side
    499,673,054.10x = 190,772,900,581,026,272
  5. Step 5: Solve for x
    x = 190,772,900,581,026,272/499,673,054.10
  6. Step 6: Final answer
    x = 381,795,454.08

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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.