Home / 1,259,760,895.20-1,889,641,342.80-493,855,999.20

Finding the Fourth Proportional to 1,259,760,895.20, 1,889,641,342.80 and 493,855,999.20

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Solution

The fourth proportional to 1,259,760,895.20, 1,889,641,342.80 and 493,855,999.20 is: 740,783,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,760,895.20 : 1,889,641,342.80 = 493,855,999.20 : x
  2. Step 2: Convert to fraction form
    1,259,760,895.20/1,889,641,342.80 = 493,855,999.20/x
  3. Step 3: Cross multiply
    1,259,760,895.20x = 1,889,641,342.80 × 493,855,999.20
  4. Step 4: Simplify right side
    1,259,760,895.20x = 933,210,713,478,123,648
  5. Step 5: Solve for x
    x = 933,210,713,478,123,648/1,259,760,895.20
  6. Step 6: Final answer
    x = 740,783,998.80

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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.