Home / 312,149,623.40-468,224,435.10-196,760,004.20

Finding the Fourth Proportional to 312,149,623.40, 468,224,435.10 and 196,760,004.20

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Solution

The fourth proportional to 312,149,623.40, 468,224,435.10 and 196,760,004.20 is: 295,140,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,149,623.40 : 468,224,435.10 = 196,760,004.20 : x
  2. Step 2: Convert to fraction form
    312,149,623.40/468,224,435.10 = 196,760,004.20/x
  3. Step 3: Cross multiply
    312,149,623.40x = 468,224,435.10 × 196,760,004.20
  4. Step 4: Simplify right side
    312,149,623.40x = 92,127,841,816,818,624
  5. Step 5: Solve for x
    x = 92,127,841,816,818,624/312,149,623.40
  6. Step 6: Final answer
    x = 295,140,006.30

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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.