Home / 1,079,285,101.20-1,489,423,707.96-633,256,053.12

Finding the Fourth Proportional to 1,079,285,101.20, 1,489,423,707.96 and 633,256,053.12

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Solution

The fourth proportional to 1,079,285,101.20, 1,489,423,707.96 and 633,256,053.12 is: 873,899,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,285,101.20 : 1,489,423,707.96 = 633,256,053.12 : x
  2. Step 2: Convert to fraction form
    1,079,285,101.20/1,489,423,707.96 = 633,256,053.12/x
  3. Step 3: Cross multiply
    1,079,285,101.20x = 1,489,423,707.96 × 633,256,053.12
  4. Step 4: Simplify right side
    1,079,285,101.20x = 943,186,578,726,105,216
  5. Step 5: Solve for x
    x = 943,186,578,726,105,216/1,079,285,101.20
  6. Step 6: Final answer
    x = 873,899,378.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.