Home / 739,206,874.80-1,108,810,312.20-448,402,359.60

Finding the Fourth Proportional to 739,206,874.80, 1,108,810,312.20 and 448,402,359.60

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Solution

The fourth proportional to 739,206,874.80, 1,108,810,312.20 and 448,402,359.60 is: 672,603,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,206,874.80 : 1,108,810,312.20 = 448,402,359.60 : x
  2. Step 2: Convert to fraction form
    739,206,874.80/1,108,810,312.20 = 448,402,359.60/x
  3. Step 3: Cross multiply
    739,206,874.80x = 1,108,810,312.20 × 448,402,359.60
  4. Step 4: Simplify right side
    739,206,874.80x = 497,193,160,339,292,736
  5. Step 5: Solve for x
    x = 497,193,160,339,292,736/739,206,874.80
  6. Step 6: Final answer
    x = 672,603,539.40

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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.