Home / 13,258,138,768,988-18,296,036,786,090-7,405,331,435,482.90

Finding the Fourth Proportional to 13,258,138,768,988, 18,296,036,786,090 and 7,405,331,435,482.90

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Solution

The fourth proportional to 13,258,138,768,988, 18,296,036,786,090 and 7,405,331,435,482.90 is: 10,219,248,622,868.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258,138,768,988 : 18,296,036,786,090 = 7,405,331,435,482.90 : x
  2. Step 2: Convert to fraction form
    13,258,138,768,988/18,296,036,786,090 = 7,405,331,435,482.90/x
  3. Step 3: Cross multiply
    13,258,138,768,988x = 18,296,036,786,090 × 7,405,331,435,482.90
  4. Step 4: Simplify right side
    13,258,138,768,988x = 135,488,216,356,783,802,936,197,120
  5. Step 5: Solve for x
    x = 135,488,216,356,783,802,936,197,120/13,258,138,768,988
  6. Step 6: Final answer
    x = 10,219,248,622,868.78

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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.