Home / 747,371,361.05-1,031,352,496.21-412,836,683.45

Finding the Fourth Proportional to 747,371,361.05, 1,031,352,496.21 and 412,836,683.45

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Solution

The fourth proportional to 747,371,361.05, 1,031,352,496.21 and 412,836,683.45 is: 569,703,585.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,371,361.05 : 1,031,352,496.21 = 412,836,683.45 : x
  2. Step 2: Convert to fraction form
    747,371,361.05/1,031,352,496.21 = 412,836,683.45/x
  3. Step 3: Cross multiply
    747,371,361.05x = 1,031,352,496.21 × 412,836,683.45
  4. Step 4: Simplify right side
    747,371,361.05x = 425,780,143,998,180,800
  5. Step 5: Solve for x
    x = 425,780,143,998,180,800/747,371,361.05
  6. Step 6: Final answer
    x = 569,703,585.38

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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.