Home / 19,938,080,782.41-27,514,227,727.47-10,905,759,879.58

Finding the Fourth Proportional to 19,938,080,782.41, 27,514,227,727.47 and 10,905,759,879.58

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Solution

The fourth proportional to 19,938,080,782.41, 27,514,227,727.47 and 10,905,759,879.58 is: 15,049,771,547.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938,080,782.41 : 27,514,227,727.47 = 10,905,759,879.58 : x
  2. Step 2: Convert to fraction form
    19,938,080,782.41/27,514,227,727.47 = 10,905,759,879.58/x
  3. Step 3: Cross multiply
    19,938,080,782.41x = 27,514,227,727.47 × 10,905,759,879.58
  4. Step 4: Simplify right side
    19,938,080,782.41x = 300,063,560,867,869,949,952
  5. Step 5: Solve for x
    x = 300,063,560,867,869,949,952/19,938,080,782.41
  6. Step 6: Final answer
    x = 15,049,771,547.35

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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.