Home / 1,256,197,190.72-1,884,500,305.20-370,972,089.77

Finding the Fourth Proportional to 1,256,197,190.72, 1,884,500,305.20 and 370,972,089.77

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Solution

The fourth proportional to 1,256,197,190.72, 1,884,500,305.20 and 370,972,089.77 is: 556,518,531.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,197,190.72 : 1,884,500,305.20 = 370,972,089.77 : x
  2. Step 2: Convert to fraction form
    1,256,197,190.72/1,884,500,305.20 = 370,972,089.77/x
  3. Step 3: Cross multiply
    1,256,197,190.72x = 1,884,500,305.20 × 370,972,089.77
  4. Step 4: Simplify right side
    1,256,197,190.72x = 699,097,016,382,824,320
  5. Step 5: Solve for x
    x = 699,097,016,382,824,320/1,256,197,190.72
  6. Step 6: Final answer
    x = 556,518,531.92

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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.