Home / 743,088,643.70-1,114,632,965.55-225,518,253.80

Finding the Fourth Proportional to 743,088,643.70, 1,114,632,965.55 and 225,518,253.80

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Solution

The fourth proportional to 743,088,643.70, 1,114,632,965.55 and 225,518,253.80 is: 338,277,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,088,643.70 : 1,114,632,965.55 = 225,518,253.80 : x
  2. Step 2: Convert to fraction form
    743,088,643.70/1,114,632,965.55 = 225,518,253.80/x
  3. Step 3: Cross multiply
    743,088,643.70x = 1,114,632,965.55 × 225,518,253.80
  4. Step 4: Simplify right side
    743,088,643.70x = 251,370,080,018,751,552
  5. Step 5: Solve for x
    x = 251,370,080,018,751,552/743,088,643.70
  6. Step 6: Final answer
    x = 338,277,380.70

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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.