Home / 727,508,695.32-1,092,039,879.80-313,190,585.88

Finding the Fourth Proportional to 727,508,695.32, 1,092,039,879.80 and 313,190,585.88

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Solution

The fourth proportional to 727,508,695.32, 1,092,039,879.80 and 313,190,585.88 is: 470,120,305.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,508,695.32 : 1,092,039,879.80 = 313,190,585.88 : x
  2. Step 2: Convert to fraction form
    727,508,695.32/1,092,039,879.80 = 313,190,585.88/x
  3. Step 3: Cross multiply
    727,508,695.32x = 1,092,039,879.80 × 313,190,585.88
  4. Step 4: Simplify right side
    727,508,695.32x = 342,016,609,758,886,784
  5. Step 5: Solve for x
    x = 342,016,609,758,886,784/727,508,695.32
  6. Step 6: Final answer
    x = 470,120,305.03

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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.