Home / 572,405,688.28-789,926,944.26-321,564,871.68

Finding the Fourth Proportional to 572,405,688.28, 789,926,944.26 and 321,564,871.68

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Solution

The fourth proportional to 572,405,688.28, 789,926,944.26 and 321,564,871.68 is: 443,763,508.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,405,688.28 : 789,926,944.26 = 321,564,871.68 : x
  2. Step 2: Convert to fraction form
    572,405,688.28/789,926,944.26 = 321,564,871.68/x
  3. Step 3: Cross multiply
    572,405,688.28x = 789,926,944.26 × 321,564,871.68
  4. Step 4: Simplify right side
    572,405,688.28x = 254,012,756,463,591,776
  5. Step 5: Solve for x
    x = 254,012,756,463,591,776/572,405,688.28
  6. Step 6: Final answer
    x = 443,763,508.41

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Double scale
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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.