Home / 382,476,175.80-573,714,263.70-123,876,985.20

Finding the Fourth Proportional to 382,476,175.80, 573,714,263.70 and 123,876,985.20

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Solution

The fourth proportional to 382,476,175.80, 573,714,263.70 and 123,876,985.20 is: 185,815,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,476,175.80 : 573,714,263.70 = 123,876,985.20 : x
  2. Step 2: Convert to fraction form
    382,476,175.80/573,714,263.70 = 123,876,985.20/x
  3. Step 3: Cross multiply
    382,476,175.80x = 573,714,263.70 × 123,876,985.20
  4. Step 4: Simplify right side
    382,476,175.80x = 71,069,993,353,393,808
  5. Step 5: Solve for x
    x = 71,069,993,353,393,808/382,476,175.80
  6. Step 6: Final answer
    x = 185,815,477.80

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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.