Home / 673,603,640.20-1,010,405,460.30-664,533,713.80

Finding the Fourth Proportional to 673,603,640.20, 1,010,405,460.30 and 664,533,713.80

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Solution

The fourth proportional to 673,603,640.20, 1,010,405,460.30 and 664,533,713.80 is: 996,800,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,603,640.20 : 1,010,405,460.30 = 664,533,713.80 : x
  2. Step 2: Convert to fraction form
    673,603,640.20/1,010,405,460.30 = 664,533,713.80/x
  3. Step 3: Cross multiply
    673,603,640.20x = 1,010,405,460.30 × 664,533,713.80
  4. Step 4: Simplify right side
    673,603,640.20x = 671,448,492,976,957,440
  5. Step 5: Solve for x
    x = 671,448,492,976,957,440/673,603,640.20
  6. Step 6: Final answer
    x = 996,800,570.70

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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.