Home / 13,126,398,580.80-18,114,430,926.06-7,185,951,082.80

Finding the Fourth Proportional to 13,126,398,580.80, 18,114,430,926.06 and 7,185,951,082.80

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Solution

The fourth proportional to 13,126,398,580.80, 18,114,430,926.06 and 7,185,951,082.80 is: 9,916,612,978.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126,398,580.80 : 18,114,430,926.06 = 7,185,951,082.80 : x
  2. Step 2: Convert to fraction form
    13,126,398,580.80/18,114,430,926.06 = 7,185,951,082.80/x
  3. Step 3: Cross multiply
    13,126,398,580.80x = 18,114,430,926.06 × 7,185,951,082.80
  4. Step 4: Simplify right side
    13,126,398,580.80x = 130,169,414,527,426,674,688
  5. Step 5: Solve for x
    x = 130,169,414,527,426,674,688/13,126,398,580.80
  6. Step 6: Final answer
    x = 9,916,612,978.51

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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.