Home / 1,259,348,102.65-1,738,457,724.27-813,528,890.16

Finding the Fourth Proportional to 1,259,348,102.65, 1,738,457,724.27 and 813,528,890.16

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Solution

The fourth proportional to 1,259,348,102.65, 1,738,457,724.27 and 813,528,890.16 is: 1,123,029,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,348,102.65 : 1,738,457,724.27 = 813,528,890.16 : x
  2. Step 2: Convert to fraction form
    1,259,348,102.65/1,738,457,724.27 = 813,528,890.16/x
  3. Step 3: Cross multiply
    1,259,348,102.65x = 1,738,457,724.27 × 813,528,890.16
  4. Step 4: Simplify right side
    1,259,348,102.65x = 1,414,285,583,015,452,416
  5. Step 5: Solve for x
    x = 1,414,285,583,015,452,416/1,259,348,102.65
  6. Step 6: Final answer
    x = 1,123,029,907.33

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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.