Home / 13,126,398,568.30-18,114,430,908.81-7,185,951,070.30

Finding the Fourth Proportional to 13,126,398,568.30, 18,114,430,908.81 and 7,185,951,070.30

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Solution

The fourth proportional to 13,126,398,568.30, 18,114,430,908.81 and 7,185,951,070.30 is: 9,916,612,961.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126,398,568.30 : 18,114,430,908.81 = 7,185,951,070.30 : x
  2. Step 2: Convert to fraction form
    13,126,398,568.30/18,114,430,908.81 = 7,185,951,070.30/x
  3. Step 3: Cross multiply
    13,126,398,568.30x = 18,114,430,908.81 × 7,185,951,070.30
  4. Step 4: Simplify right side
    13,126,398,568.30x = 130,169,414,177,038,630,912
  5. Step 5: Solve for x
    x = 130,169,414,177,038,630,912/13,126,398,568.30
  6. Step 6: Final answer
    x = 9,916,612,961.26

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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.