Home / 25,783,298,139.20-38,674,947,208.80-7,150,757,979.20

Finding the Fourth Proportional to 25,783,298,139.20, 38,674,947,208.80 and 7,150,757,979.20

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Solution

The fourth proportional to 25,783,298,139.20, 38,674,947,208.80 and 7,150,757,979.20 is: 10,726,136,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,783,298,139.20 : 38,674,947,208.80 = 7,150,757,979.20 : x
  2. Step 2: Convert to fraction form
    25,783,298,139.20/38,674,947,208.80 = 7,150,757,979.20/x
  3. Step 3: Cross multiply
    25,783,298,139.20x = 38,674,947,208.80 × 7,150,757,979.20
  4. Step 4: Simplify right side
    25,783,298,139.20x = 276,555,187,348,465,385,472
  5. Step 5: Solve for x
    x = 276,555,187,348,465,385,472/25,783,298,139.20
  6. Step 6: Final answer
    x = 10,726,136,968.80

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Double scale
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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.