Home / 1,156,785,012-1,735,173,733.26-419,853,934.26

Finding the Fourth Proportional to 1,156,785,012, 1,735,173,733.26 and 419,853,934.26

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Solution

The fourth proportional to 1,156,785,012, 1,735,173,733.26 and 419,853,934.26 is: 629,779,527.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,785,012 : 1,735,173,733.26 = 419,853,934.26 : x
  2. Step 2: Convert to fraction form
    1,156,785,012/1,735,173,733.26 = 419,853,934.26/x
  3. Step 3: Cross multiply
    1,156,785,012x = 1,735,173,733.26 × 419,853,934.26
  4. Step 4: Simplify right side
    1,156,785,012x = 728,519,518,533,822,848
  5. Step 5: Solve for x
    x = 728,519,518,533,822,848/1,156,785,012
  6. Step 6: Final answer
    x = 629,779,527.72

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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.