Home / 739,206,001.80-1,108,809,002.70-448,401,486.60

Finding the Fourth Proportional to 739,206,001.80, 1,108,809,002.70 and 448,401,486.60

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Solution

The fourth proportional to 739,206,001.80, 1,108,809,002.70 and 448,401,486.60 is: 672,602,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,206,001.80 : 1,108,809,002.70 = 448,401,486.60 : x
  2. Step 2: Convert to fraction form
    739,206,001.80/1,108,809,002.70 = 448,401,486.60/x
  3. Step 3: Cross multiply
    739,206,001.80x = 1,108,809,002.70 × 448,401,486.60
  4. Step 4: Simplify right side
    739,206,001.80x = 497,191,605,166,143,488
  5. Step 5: Solve for x
    x = 497,191,605,166,143,488/739,206,001.80
  6. Step 6: Final answer
    x = 672,602,229.90

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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.