Home / 758,208,003.80-1,137,312,005.70-635,763,997.40

Finding the Fourth Proportional to 758,208,003.80, 1,137,312,005.70 and 635,763,997.40

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Solution

The fourth proportional to 758,208,003.80, 1,137,312,005.70 and 635,763,997.40 is: 953,645,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,208,003.80 : 1,137,312,005.70 = 635,763,997.40 : x
  2. Step 2: Convert to fraction form
    758,208,003.80/1,137,312,005.70 = 635,763,997.40/x
  3. Step 3: Cross multiply
    758,208,003.80x = 1,137,312,005.70 × 635,763,997.40
  4. Step 4: Simplify right side
    758,208,003.80x = 723,062,027,034,843,648
  5. Step 5: Solve for x
    x = 723,062,027,034,843,648/758,208,003.80
  6. Step 6: Final answer
    x = 953,645,996.10

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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.