Home / 1,330,133,781.60-1,995,200,672.40-1,296,121,557.60

Finding the Fourth Proportional to 1,330,133,781.60, 1,995,200,672.40 and 1,296,121,557.60

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Solution

The fourth proportional to 1,330,133,781.60, 1,995,200,672.40 and 1,296,121,557.60 is: 1,944,182,336.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,133,781.60 : 1,995,200,672.40 = 1,296,121,557.60 : x
  2. Step 2: Convert to fraction form
    1,330,133,781.60/1,995,200,672.40 = 1,296,121,557.60/x
  3. Step 3: Cross multiply
    1,330,133,781.60x = 1,995,200,672.40 × 1,296,121,557.60
  4. Step 4: Simplify right side
    1,330,133,781.60x = 2,586,022,603,235,655,168
  5. Step 5: Solve for x
    x = 2,586,022,603,235,655,168/1,330,133,781.60
  6. Step 6: Final answer
    x = 1,944,182,336.40

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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.