Home / 1,210,805,104.52-1,816,035,203.64-381,650,990.24

Finding the Fourth Proportional to 1,210,805,104.52, 1,816,035,203.64 and 381,650,990.24

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Solution

The fourth proportional to 1,210,805,104.52, 1,816,035,203.64 and 381,650,990.24 is: 572,422,127.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,805,104.52 : 1,816,035,203.64 = 381,650,990.24 : x
  2. Step 2: Convert to fraction form
    1,210,805,104.52/1,816,035,203.64 = 381,650,990.24/x
  3. Step 3: Cross multiply
    1,210,805,104.52x = 1,816,035,203.64 × 381,650,990.24
  4. Step 4: Simplify right side
    1,210,805,104.52x = 693,091,633,779,906,048
  5. Step 5: Solve for x
    x = 693,091,633,779,906,048/1,210,805,104.52
  6. Step 6: Final answer
    x = 572,422,127.39

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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.