Home / 665,913,329.92-996,879,874.56-402,801,623.04

Finding the Fourth Proportional to 665,913,329.92, 996,879,874.56 and 402,801,623.04

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Solution

The fourth proportional to 665,913,329.92, 996,879,874.56 and 402,801,623.04 is: 602,998,638.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,913,329.92 : 996,879,874.56 = 402,801,623.04 : x
  2. Step 2: Convert to fraction form
    665,913,329.92/996,879,874.56 = 402,801,623.04/x
  3. Step 3: Cross multiply
    665,913,329.92x = 996,879,874.56 × 402,801,623.04
  4. Step 4: Simplify right side
    665,913,329.92x = 401,544,831,448,679,616
  5. Step 5: Solve for x
    x = 401,544,831,448,679,616/665,913,329.92
  6. Step 6: Final answer
    x = 602,998,638.72

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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.