Home / 3,531,042,738.80-5,296,564,108.20-3,143,303,385.20

Finding the Fourth Proportional to 3,531,042,738.80, 5,296,564,108.20 and 3,143,303,385.20

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Solution

The fourth proportional to 3,531,042,738.80, 5,296,564,108.20 and 3,143,303,385.20 is: 4,714,955,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531,042,738.80 : 5,296,564,108.20 = 3,143,303,385.20 : x
  2. Step 2: Convert to fraction form
    3,531,042,738.80/5,296,564,108.20 = 3,143,303,385.20/x
  3. Step 3: Cross multiply
    3,531,042,738.80x = 5,296,564,108.20 × 3,143,303,385.20
  4. Step 4: Simplify right side
    3,531,042,738.80x = 16,648,707,891,233,878,016
  5. Step 5: Solve for x
    x = 16,648,707,891,233,878,016/3,531,042,738.80
  6. Step 6: Final answer
    x = 4,714,955,077.80

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Double scale
Find fourth proportional to 3,531,042,739.80, 5,296,564,109.70 and 3,143,303,386.20
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.