Home / 880,245,999.60-1,320,368,999.40-621,965,673.60

Finding the Fourth Proportional to 880,245,999.60, 1,320,368,999.40 and 621,965,673.60

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Solution

The fourth proportional to 880,245,999.60, 1,320,368,999.40 and 621,965,673.60 is: 932,948,510.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,245,999.60 : 1,320,368,999.40 = 621,965,673.60 : x
  2. Step 2: Convert to fraction form
    880,245,999.60/1,320,368,999.40 = 621,965,673.60/x
  3. Step 3: Cross multiply
    880,245,999.60x = 1,320,368,999.40 × 621,965,673.60
  4. Step 4: Simplify right side
    880,245,999.60x = 821,224,194,112,379,136
  5. Step 5: Solve for x
    x = 821,224,194,112,379,136/880,245,999.60
  6. Step 6: Final answer
    x = 932,948,510.40

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1.5x scale

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.