Home / 702,469,539.86-1,053,295,870.82-265,803,956.33

Finding the Fourth Proportional to 702,469,539.86, 1,053,295,870.82 and 265,803,956.33

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Solution

The fourth proportional to 702,469,539.86, 1,053,295,870.82 and 265,803,956.33 is: 398,551,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,469,539.86 : 1,053,295,870.82 = 265,803,956.33 : x
  2. Step 2: Convert to fraction form
    702,469,539.86/1,053,295,870.82 = 265,803,956.33/x
  3. Step 3: Cross multiply
    702,469,539.86x = 1,053,295,870.82 × 265,803,956.33
  4. Step 4: Simplify right side
    702,469,539.86x = 279,970,209,643,413,120
  5. Step 5: Solve for x
    x = 279,970,209,643,413,120/702,469,539.86
  6. Step 6: Final answer
    x = 398,551,387.30

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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.