Home / 329,176,871,998.40-493,765,307,997.60-105,609,421,812.80

Finding the Fourth Proportional to 329,176,871,998.40, 493,765,307,997.60 and 105,609,421,812.80

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Solution

The fourth proportional to 329,176,871,998.40, 493,765,307,997.60 and 105,609,421,812.80 is: 158,414,132,719.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,176,871,998.40 : 493,765,307,997.60 = 105,609,421,812.80 : x
  2. Step 2: Convert to fraction form
    329,176,871,998.40/493,765,307,997.60 = 105,609,421,812.80/x
  3. Step 3: Cross multiply
    329,176,871,998.40x = 493,765,307,997.60 × 105,609,421,812.80
  4. Step 4: Simplify right side
    329,176,871,998.40x = 52,146,268,688,845,648,166,912
  5. Step 5: Solve for x
    x = 52,146,268,688,845,648,166,912/329,176,871,998.40
  6. Step 6: Final answer
    x = 158,414,132,719.20

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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.