Home / 664,302,614.40-996,453,921.60-197,963,136.90

Finding the Fourth Proportional to 664,302,614.40, 996,453,921.60 and 197,963,136.90

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Solution

The fourth proportional to 664,302,614.40, 996,453,921.60 and 197,963,136.90 is: 296,944,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,614.40 : 996,453,921.60 = 197,963,136.90 : x
  2. Step 2: Convert to fraction form
    664,302,614.40/996,453,921.60 = 197,963,136.90/x
  3. Step 3: Cross multiply
    664,302,614.40x = 996,453,921.60 × 197,963,136.90
  4. Step 4: Simplify right side
    664,302,614.40x = 197,261,144,096,242,688
  5. Step 5: Solve for x
    x = 197,261,144,096,242,688/664,302,614.40
  6. Step 6: Final answer
    x = 296,944,705.35

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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.