Home / 1,296,127,914.34-1,788,661,038.12-701,412,249.64

Finding the Fourth Proportional to 1,296,127,914.34, 1,788,661,038.12 and 701,412,249.64

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Solution

The fourth proportional to 1,296,127,914.34, 1,788,661,038.12 and 701,412,249.64 is: 967,951,348.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,127,914.34 : 1,788,661,038.12 = 701,412,249.64 : x
  2. Step 2: Convert to fraction form
    1,296,127,914.34/1,788,661,038.12 = 701,412,249.64/x
  3. Step 3: Cross multiply
    1,296,127,914.34x = 1,788,661,038.12 × 701,412,249.64
  4. Step 4: Simplify right side
    1,296,127,914.34x = 1,254,588,762,591,166,976
  5. Step 5: Solve for x
    x = 1,254,588,762,591,166,976/1,296,127,914.34
  6. Step 6: Final answer
    x = 967,951,348.56

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Double scale
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1.5x scale

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.