Home / 1,293,644,017.20-1,940,466,025.80-711,153,188.40

Finding the Fourth Proportional to 1,293,644,017.20, 1,940,466,025.80 and 711,153,188.40

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Solution

The fourth proportional to 1,293,644,017.20, 1,940,466,025.80 and 711,153,188.40 is: 1,066,729,782.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,644,017.20 : 1,940,466,025.80 = 711,153,188.40 : x
  2. Step 2: Convert to fraction form
    1,293,644,017.20/1,940,466,025.80 = 711,153,188.40/x
  3. Step 3: Cross multiply
    1,293,644,017.20x = 1,940,466,025.80 × 711,153,188.40
  4. Step 4: Simplify right side
    1,293,644,017.20x = 1,379,968,601,229,546,496
  5. Step 5: Solve for x
    x = 1,379,968,601,229,546,496/1,293,644,017.20
  6. Step 6: Final answer
    x = 1,066,729,782.60

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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.