Home / 5,115,507,953.28-7,059,572,153.28-3,134,976,305.28

Finding the Fourth Proportional to 5,115,507,953.28, 7,059,572,153.28 and 3,134,976,305.28

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Solution

The fourth proportional to 5,115,507,953.28, 7,059,572,153.28 and 3,134,976,305.28 is: 4,326,372,205.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115,507,953.28 : 7,059,572,153.28 = 3,134,976,305.28 : x
  2. Step 2: Convert to fraction form
    5,115,507,953.28/7,059,572,153.28 = 3,134,976,305.28/x
  3. Step 3: Cross multiply
    5,115,507,953.28x = 7,059,572,153.28 × 3,134,976,305.28
  4. Step 4: Simplify right side
    5,115,507,953.28x = 22,131,591,425,947,308,032
  5. Step 5: Solve for x
    x = 22,131,591,425,947,308,032/5,115,507,953.28
  6. Step 6: Final answer
    x = 4,326,372,205.47

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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.