Home / 664,302,601.90-996,453,902.85-197,963,124.40

Finding the Fourth Proportional to 664,302,601.90, 996,453,902.85 and 197,963,124.40

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Solution

The fourth proportional to 664,302,601.90, 996,453,902.85 and 197,963,124.40 is: 296,944,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,302,601.90 : 996,453,902.85 = 197,963,124.40 : x
  2. Step 2: Convert to fraction form
    664,302,601.90/996,453,902.85 = 197,963,124.40/x
  3. Step 3: Cross multiply
    664,302,601.90x = 996,453,902.85 × 197,963,124.40
  4. Step 4: Simplify right side
    664,302,601.90x = 197,261,127,928,760,064
  5. Step 5: Solve for x
    x = 197,261,127,928,760,064/664,302,601.90
  6. Step 6: Final answer
    x = 296,944,686.60

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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.