Home / 320,373,938,917.38-442,116,362,903.10-173,886,430,523.07

Finding the Fourth Proportional to 320,373,938,917.38, 442,116,362,903.10 and 173,886,430,523.07

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Solution

The fourth proportional to 320,373,938,917.38, 442,116,362,903.10 and 173,886,430,523.07 is: 239,963,451,711.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,373,938,917.38 : 442,116,362,903.10 = 173,886,430,523.07 : x
  2. Step 2: Convert to fraction form
    320,373,938,917.38/442,116,362,903.10 = 173,886,430,523.07/x
  3. Step 3: Cross multiply
    320,373,938,917.38x = 442,116,362,903.10 × 173,886,430,523.07
  4. Step 4: Simplify right side
    320,373,938,917.38x = 76,878,036,221,062,295,846,912
  5. Step 5: Solve for x
    x = 76,878,036,221,062,295,846,912/320,373,938,917.38
  6. Step 6: Final answer
    x = 239,963,451,711.62

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1.5x scale

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.