Home / 13,411,533,361.94-18,507,082,120.58-7,389,701,778.06

Finding the Fourth Proportional to 13,411,533,361.94, 18,507,082,120.58 and 7,389,701,778.06

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Solution

The fourth proportional to 13,411,533,361.94, 18,507,082,120.58 and 7,389,701,778.06 is: 10,197,328,967.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,533,361.94 : 18,507,082,120.58 = 7,389,701,778.06 : x
  2. Step 2: Convert to fraction form
    13,411,533,361.94/18,507,082,120.58 = 7,389,701,778.06/x
  3. Step 3: Cross multiply
    13,411,533,361.94x = 18,507,082,120.58 × 7,389,701,778.06
  4. Step 4: Simplify right side
    13,411,533,361.94x = 136,761,817,653,219,033,088
  5. Step 5: Solve for x
    x = 136,761,817,653,219,033,088/13,411,533,361.94
  6. Step 6: Final answer
    x = 10,197,328,967.71

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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.