Home / 30,292,328,514.80-45,438,492,772.20-17,739,904,671.20

Finding the Fourth Proportional to 30,292,328,514.80, 45,438,492,772.20 and 17,739,904,671.20

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Solution

The fourth proportional to 30,292,328,514.80, 45,438,492,772.20 and 17,739,904,671.20 is: 26,609,857,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292,328,514.80 : 45,438,492,772.20 = 17,739,904,671.20 : x
  2. Step 2: Convert to fraction form
    30,292,328,514.80/45,438,492,772.20 = 17,739,904,671.20/x
  3. Step 3: Cross multiply
    30,292,328,514.80x = 45,438,492,772.20 × 17,739,904,671.20
  4. Step 4: Simplify right side
    30,292,328,514.80x = 806,074,530,181,838,143,488
  5. Step 5: Solve for x
    x = 806,074,530,181,838,143,488/30,292,328,514.80
  6. Step 6: Final answer
    x = 26,609,857,006.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.