Home / 13,449,193,254.79-18,558,665,274.85-7,507,652,431.75

Finding the Fourth Proportional to 13,449,193,254.79, 18,558,665,274.85 and 7,507,652,431.75

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Solution

The fourth proportional to 13,449,193,254.79, 18,558,665,274.85 and 7,507,652,431.75 is: 10,359,878,532.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449,193,254.79 : 18,558,665,274.85 = 7,507,652,431.75 : x
  2. Step 2: Convert to fraction form
    13,449,193,254.79/18,558,665,274.85 = 7,507,652,431.75/x
  3. Step 3: Cross multiply
    13,449,193,254.79x = 18,558,665,274.85 × 7,507,652,431.75
  4. Step 4: Simplify right side
    13,449,193,254.79x = 139,332,008,480,761,872,384
  5. Step 5: Solve for x
    x = 139,332,008,480,761,872,384/13,449,193,254.79
  6. Step 6: Final answer
    x = 10,359,878,532.58

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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.