Home / 207,052,912,546.89-310,610,423,118.81-72,723,726,407.70

Finding the Fourth Proportional to 207,052,912,546.89, 310,610,423,118.81 and 72,723,726,407.70

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Solution

The fourth proportional to 207,052,912,546.89, 310,610,423,118.81 and 72,723,726,407.70 is: 109,096,496,892.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,052,912,546.89 : 310,610,423,118.81 = 72,723,726,407.70 : x
  2. Step 2: Convert to fraction form
    207,052,912,546.89/310,610,423,118.81 = 72,723,726,407.70/x
  3. Step 3: Cross multiply
    207,052,912,546.89x = 310,610,423,118.81 × 72,723,726,407.70
  4. Step 4: Simplify right side
    207,052,912,546.89x = 22,588,747,430,272,270,598,144
  5. Step 5: Solve for x
    x = 22,588,747,430,272,270,598,144/207,052,912,546.89
  6. Step 6: Final answer
    x = 109,096,496,892.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.