Home / 1,573,514,536.31-2,171,393,134.29-868,651,382.76

Finding the Fourth Proportional to 1,573,514,536.31, 2,171,393,134.29 and 868,651,382.76

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Solution

The fourth proportional to 1,573,514,536.31, 2,171,393,134.29 and 868,651,382.76 is: 1,198,707,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,514,536.31 : 2,171,393,134.29 = 868,651,382.76 : x
  2. Step 2: Convert to fraction form
    1,573,514,536.31/2,171,393,134.29 = 868,651,382.76/x
  3. Step 3: Cross multiply
    1,573,514,536.31x = 2,171,393,134.29 × 868,651,382.76
  4. Step 4: Simplify right side
    1,573,514,536.31x = 1,886,183,648,616,578,816
  5. Step 5: Solve for x
    x = 1,886,183,648,616,578,816/1,573,514,536.31
  6. Step 6: Final answer
    x = 1,198,707,482.58

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Double scale
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1.5x scale

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.