Home / 1,573,514,540.09-2,171,393,139.47-868,651,386.51

Finding the Fourth Proportional to 1,573,514,540.09, 2,171,393,139.47 and 868,651,386.51

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Solution

The fourth proportional to 1,573,514,540.09, 2,171,393,139.47 and 868,651,386.51 is: 1,198,707,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,514,540.09 : 2,171,393,139.47 = 868,651,386.51 : x
  2. Step 2: Convert to fraction form
    1,573,514,540.09/2,171,393,139.47 = 868,651,386.51/x
  3. Step 3: Cross multiply
    1,573,514,540.09x = 2,171,393,139.47 × 868,651,386.51
  4. Step 4: Simplify right side
    1,573,514,540.09x = 1,886,183,661,254,574,080
  5. Step 5: Solve for x
    x = 1,886,183,661,254,574,080/1,573,514,540.09
  6. Step 6: Final answer
    x = 1,198,707,487.73

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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.