Home / 12,814,514,808.70-17,685,822,005.67-9,257,729,185.66

Finding the Fourth Proportional to 12,814,514,808.70, 17,685,822,005.67 and 9,257,729,185.66

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Solution

The fourth proportional to 12,814,514,808.70, 17,685,822,005.67 and 9,257,729,185.66 is: 12,776,960,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,814,514,808.70 : 17,685,822,005.67 = 9,257,729,185.66 : x
  2. Step 2: Convert to fraction form
    12,814,514,808.70/17,685,822,005.67 = 9,257,729,185.66/x
  3. Step 3: Cross multiply
    12,814,514,808.70x = 17,685,822,005.67 × 9,257,729,185.66
  4. Step 4: Simplify right side
    12,814,514,808.70x = 163,730,550,554,279,018,496
  5. Step 5: Solve for x
    x = 163,730,550,554,279,018,496/12,814,514,808.70
  6. Step 6: Final answer
    x = 12,776,960,579.35

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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.