Home / 5,640,470,135.22-7,783,919,320.64-3,100,429,422.90

Finding the Fourth Proportional to 5,640,470,135.22, 7,783,919,320.64 and 3,100,429,422.90

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Solution

The fourth proportional to 5,640,470,135.22, 7,783,919,320.64 and 3,100,429,422.90 is: 4,278,631,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,640,470,135.22 : 7,783,919,320.64 = 3,100,429,422.90 : x
  2. Step 2: Convert to fraction form
    5,640,470,135.22/7,783,919,320.64 = 3,100,429,422.90/x
  3. Step 3: Cross multiply
    5,640,470,135.22x = 7,783,919,320.64 × 3,100,429,422.90
  4. Step 4: Simplify right side
    5,640,470,135.22x = 24,133,492,487,176,536,064
  5. Step 5: Solve for x
    x = 24,133,492,487,176,536,064/5,640,470,135.22
  6. Step 6: Final answer
    x = 4,278,631,374.45

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.