Home / 1,296,281,539.40-1,944,508,999.02-455,823,874.64

Finding the Fourth Proportional to 1,296,281,539.40, 1,944,508,999.02 and 455,823,874.64

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Solution

The fourth proportional to 1,296,281,539.40, 1,944,508,999.02 and 455,823,874.64 is: 683,766,295.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,281,539.40 : 1,944,508,999.02 = 455,823,874.64 : x
  2. Step 2: Convert to fraction form
    1,296,281,539.40/1,944,508,999.02 = 455,823,874.64/x
  3. Step 3: Cross multiply
    1,296,281,539.40x = 1,944,508,999.02 × 455,823,874.64
  4. Step 4: Simplify right side
    1,296,281,539.40x = 886,353,626,205,644,288
  5. Step 5: Solve for x
    x = 886,353,626,205,644,288/1,296,281,539.40
  6. Step 6: Final answer
    x = 683,766,295.57

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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.