Home / 623,768,685.80-860,530,578.12-376,112,455.88

Finding the Fourth Proportional to 623,768,685.80, 860,530,578.12 and 376,112,455.88

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Solution

The fourth proportional to 623,768,685.80, 860,530,578.12 and 376,112,455.88 is: 518,872,262.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,768,685.80 : 860,530,578.12 = 376,112,455.88 : x
  2. Step 2: Convert to fraction form
    623,768,685.80/860,530,578.12 = 376,112,455.88/x
  3. Step 3: Cross multiply
    623,768,685.80x = 860,530,578.12 × 376,112,455.88
  4. Step 4: Simplify right side
    623,768,685.80x = 323,656,269,096,549,376
  5. Step 5: Solve for x
    x = 323,656,269,096,549,376/623,768,685.80
  6. Step 6: Final answer
    x = 518,872,262.21

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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.