Home / 7,688,630,405,843.20-10,610,320,467,105-4,172,929,533,830.70

Finding the Fourth Proportional to 7,688,630,405,843.20, 10,610,320,467,105 and 4,172,929,533,830.70

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Solution

The fourth proportional to 7,688,630,405,843.20, 10,610,320,467,105 and 4,172,929,533,830.70 is: 5,758,648,459,281.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688,630,405,843.20 : 10,610,320,467,105 = 4,172,929,533,830.70 : x
  2. Step 2: Convert to fraction form
    7,688,630,405,843.20/10,610,320,467,105 = 4,172,929,533,830.70/x
  3. Step 3: Cross multiply
    7,688,630,405,843.20x = 10,610,320,467,105 × 4,172,929,533,830.70
  4. Step 4: Simplify right side
    7,688,630,405,843.20x = 44,276,119,640,590,805,228,322,816
  5. Step 5: Solve for x
    x = 44,276,119,640,590,805,228,322,816/7,688,630,405,843.20
  6. Step 6: Final answer
    x = 5,758,648,459,281.11

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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.