Home / 739,207,015.80-1,108,810,523.70-448,402,500.60

Finding the Fourth Proportional to 739,207,015.80, 1,108,810,523.70 and 448,402,500.60

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Solution

The fourth proportional to 739,207,015.80, 1,108,810,523.70 and 448,402,500.60 is: 672,603,750.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,207,015.80 : 1,108,810,523.70 = 448,402,500.60 : x
  2. Step 2: Convert to fraction form
    739,207,015.80/1,108,810,523.70 = 448,402,500.60/x
  3. Step 3: Cross multiply
    739,207,015.80x = 1,108,810,523.70 × 448,402,500.60
  4. Step 4: Simplify right side
    739,207,015.80x = 497,193,411,518,675,584
  5. Step 5: Solve for x
    x = 497,193,411,518,675,584/739,207,015.80
  6. Step 6: Final answer
    x = 672,603,750.90

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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.