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Finding the Fourth Proportional to 967,739,973.20, 1,451,609,959.80 and 240,728,685.20

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Solution

The fourth proportional to 967,739,973.20, 1,451,609,959.80 and 240,728,685.20 is: 361,093,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,739,973.20 : 1,451,609,959.80 = 240,728,685.20 : x
  2. Step 2: Convert to fraction form
    967,739,973.20/1,451,609,959.80 = 240,728,685.20/x
  3. Step 3: Cross multiply
    967,739,973.20x = 1,451,609,959.80 × 240,728,685.20
  4. Step 4: Simplify right side
    967,739,973.20x = 349,444,157,045,878,848
  5. Step 5: Solve for x
    x = 349,444,157,045,878,848/967,739,973.20
  6. Step 6: Final answer
    x = 361,093,027.80

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1.5x scale

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.