Home / 758,630,776.34-1,047,078,890.80-461,209,820.42

Finding the Fourth Proportional to 758,630,776.34, 1,047,078,890.80 and 461,209,820.42

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Solution

The fourth proportional to 758,630,776.34, 1,047,078,890.80 and 461,209,820.42 is: 636,571,942.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,630,776.34 : 1,047,078,890.80 = 461,209,820.42 : x
  2. Step 2: Convert to fraction form
    758,630,776.34/1,047,078,890.80 = 461,209,820.42/x
  3. Step 3: Cross multiply
    758,630,776.34x = 1,047,078,890.80 × 461,209,820.42
  4. Step 4: Simplify right side
    758,630,776.34x = 482,923,067,185,052,416
  5. Step 5: Solve for x
    x = 482,923,067,185,052,416/758,630,776.34
  6. Step 6: Final answer
    x = 636,571,942.83

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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.